A stone of mass 1.30 kg is travelling towards the planet such that its distance from the centre of the planet changes from 6R to 5R. The gravitational force equals GMm / r2 C. If the orbital radius r were doubled, T would . Over the GRACE time period, Aswan lake level has decreased at the rate of 0.177 m year 1 after removing seasonal variations, which is equivalent to a mass decrease of 0.93 Gt year 1. Find the mass of a spherical shell of same metal, the external diameter being 10cm and thickness 1 cm. A point mass m is placed inside the cavity at a distance R/4 from the centre of sphere. A person standing at the Earth's equator (not shown in proportion) is viewed from a point over the North Pole. A: Click to see the answer. A new planet is discovered that has twice the Earth's. How long will my journey take, assuming (incorrectly) that Earth has a uniform density of 5500 kg / m 3? The rod is rotated about its axis so that both strings are taut, with tensions T1 and T2 , respectively. Neglect the motion of the planet Two spherical asteroids have the same radius R . If the car is to just maintain contact with the track at the top of the loop, what is the minimum value for its speed at that point? Answer in units of s . M,7d&+oW:90uQBa2Fgr$jjm a) It is the same as planet A b) it is twice that of planet A c) it is half that of plant A d) it is one-eighth that of planet A e) Question: 6. Determine the electric field due to the charge at points both inside and outside the sphere, following the next few steps outlined. a) It is the same as planet A b) it is twice that of planet A c) it is half that of plant A d) it is one-eighth that of planet A e). The orbital speed equals 2(pi)r / T B. The planet mars has a mass of 6042e23 kg and a radius of 3038e6 m. how much would a 60 kg person weigh on Mars compared to their weight on Earth? The descending pulley has a radius R and mass M.Find the acceleration of block of mass m placed, on the smooth surface and connected with another light pulley. On Earth, X experiences twice the gravitational force as Y. Which of the following vectors best represents the direction of the friction force exerted on the bug by the turntable when the bug is in the position shown? Spherical planet A has mass m and radius r. Spherical planet B has mass of 2 m and radius 2r. Block 1 of mass 3.0 kg is sliding across a floor with speed is 10R from the center of the planet. . The weight of a body on the surface of the earth is 392N .What will be the weight . vnFc As a result of the EUs General Data Protection Regulation (GDPR). 5-b) The potential function of a given field is: V (r, 0) = 8 r sine. is 10R from the center of the planet. As viewed from above, a dead bug on the turntable rotates counterclockwise in a circle as shown. Spherical planet A has mass m and radius r. Spherical plant B has m and radius 2r. science. Both are initially at rest, and due to gravitational attraction, both start moving toward each other. Asteroid 1 has mass M and asteroid 2 has mass 2M. \mu _ { k } = 0.30 A car initially travels north and turns to the left along a circular curve. A person weighing 800 newtons on Earth travels to another planet with twice the mass and twice the radius of Earth. this perpendicular line is called. A spherical planet has an outer radius R; its density p varies as a function of distance r from the centre, given by the function p (r) = 4 - 3 (r2 /R) (so the density is 4 at the centre, decreasing to 1 at the surface). A ball of mass m is attached to a vertical rod by two massless strings. R is the average radius of the orbit of the planet measured in astronomical units (AU), and T is the . Q64. Roche Limit: Imagine that a small spherical space rock with density r covered in grit is falling radially toward a planet that has radius R and density p . How does the gravitational field strength at the surface of planet B compare to the gravitational field strength at the surface of planet A? A ball attached to a string is whirled around in a horizontal circle having a radius r. If the radius of the circle is changed to 4r and the same centripetal force is applied by the string, the new speed of the ball is which of the following? What is . The person's weight on this other planet is most nearly. What is the relationship between the forces shown? $$ Complete step by step answer: We have given that the radius of the spherical planet is R and acceleration due to gravity at its surface is g .We have also given that at the points P and Q which are inside and outside the planet, the value of acceleration due to gravity is g 4 Two solid spheres of radius R made of the same type of steel are placed in contact, as shown in the figures above. Note that a constant . A. Select one: 8 T R 5 16 T R 3 25 T R 12 44 T R 15. Select two answers. Earth's radius is about 6400 km. The net force on the block is constant in magnitude but varies in direction. A solid spherical planet of mass 2m and radius 'R' has a very small tunnel along its diameter. Which of the following statements are true if Spacecraft X has twice the mass of Spacecraft Y? [1] (b) A spherical planet has mass Mand radiusR. (c) An isolated spherical planet of radius R may be assumed to have all its mass concentrated at its centre. See Answer Check out a sample Q&A here. from publication: From Hot Jupiters to Hot Neptunes . Given: G = 6.67259 1011 Nm2/kg2 The acceleration of gravity on the surface of a planet of radius R = 3430 km is 4.43 m/s2.What is the period T of a satellite in circular orbit h = 7683.2 km above the surface? How does the gravitational field strength at the surface of planet B compare to the gravitational field strength at the surface of planet A? The escape velocity on the surface of the earth is va- If M and R are the mass and radius of the earth, respectively, then the escape velocity on another planet of mass 2 M and radius R will be Q. The rock reaches a maximum height of 2, 20 1 0 3 m, above the surface of the planet, before it falls back down What was the initial specd of the rock as it left the . The rod is 6.00 m long, weighs 10.0 N, and rotates at 240 rev/min. Science; Physics; Physics questions and answers; Consider two spherical planets having uniform mass distributions: Planet 1: has mass \( =\mathbf{m}_{1} \), radius . A spherical planet of uniform density ! Which of the following is true of the block at any point of the path from X to Y? SciencePhysicsQ&A LibraryReview Part B A spherical planet is discovered with mass M, radius R, and a mass density that varies with radius as p = Po (1 - 7/2R) , where Po is the density at the center. physics. The ball rotates in a horizontal circle of radius r with speed v. The horizontal record turntable shown above rotates at a constant rate. A particle is to be thrown from the starting of one tunnel such that it enters in another tunnel without making collision with tunnel wall and continues its motion as shown in figure. OZ'2NZyq=(Zv&"]nmW tPYHw*dP\+fQFs.#8+ The value of n is A 2 B 3 C 4 D 1 Medium Solution Verified by Toppr Correct option is C) V esc= escape velocity = R2GM V A= R2GM V B= (R/2)2G( 2M)= R2GM Sketch the 2003-2022 Chegg Inc. All rights reserved. Report 3 years ago #2 A spherical planet of mass, M, and radius, R, has a moon of A rocket is launched from the surface of the planet such that the rocket moves radially away from the planet. The center of the moon A particle of mass m falling freely near the surface of this planet will experience acceleration due to gravity which is equal to: A (D 0) 2GM 0 B (D 0) 24mGM 0 C (D 0) 24GM 0 D (D 0) 2Gm Hard Solution Verified by Toppr Correct option is C) mass of the planet is M 0 Select two answers. (a) Find the potential energy of the projectile as a the solar system. This causes a package on the seat of the car to slide toward the right side of the car. C. Attaching the object to a spring of known spring constant, allowing it to oscillate horizontally on a nearly frictionless surface, and measuring the period. What is the period of rotation of the planet? A spherical planet, far out in space, has a mass M 0 and diameter D 0. when it makes a head-on, one-dimensional, elastic collision with initially stationary block 2 of mass 2.0 kg. Determine 5-a) the total charge enclosed by the volume r=4 m, and 0 = 7/4. Q: An artificial satellite is in a circular orbit 7.1010^2 km from the surface of a planet of radius. The center of the moon is 10R from the center of the planet. check_circle Expert Answer Want to see the step-by-step answer? xeq%_o&6#EQI4YjL`QdU'_;p1Z1~qu8e/oSyTg?e=KhI||/v;6RkOO>Wk/?~O/~n#]ww;_\kSZ? stream D. There is not enough force directed toward the center of the circle to keep the package from sliding. A satellite X is in a circular orbit of radius r about the centre of a spherical planet of mass M. Which line, A to D, in the table gives correct expressions for the centripetal acceleration a and the speed v of the satellite? How does the gravitational field strength at the surface of planet B compare to the gravitational field strength at the surface of planet A? A solid sphere of mass M and radius R has a spherical cavity of radius R/2 such that the centre of cavity is at a distance R/2 from the centre of the sphere. Two spherical planets P and Q have the same uniform density , masses M P and M Q , and surface areas A and 4 A , respectively. and moon in their orbits and the influence of. (Section 13.4 in HRW may prove useful if you are stumped!) If R2 = 2R1, the accelerations a2 and a1 of the two satellites are related by which of the following? Points:2 The small spherical planet called "Glob" has a mass of 7.90 1 0 18 kg and a radius of 5.60 1 0 4 m. An astronaut on the surface of Glob throws a rock straight up. Find the speeds of (a) block 1 and (b) block 2 just after the collision. Science Advanced Physics Charge is distributed throughout a spherical volume of radius R with a density p= ar, where a is a constant (of unit C/m, in case it matters). What amount of mass is closer . and moon in their orbits and the influence of any other objects in . The rock has a mass of 4.20 kg, and on this particular planet . You cannot access byjus.com. A person whose mass is 75 kg is exposed to a dose of 25 rad. No tracking or performance measurement cookies were served with this page. v_1 = 2.0 m/s Determine po in terms of M and R. Hint: Divide the planet into infinitesimal shells of thickness dr, then sum (i.e., integrate) their masses. A small cosmic particle of mass m is at a distance 2 R from the centre of the planet as shown. Suppose that this mass is evenly distributed in a ring centered at the origin and facing point with the same radius . Neglect the motion of the planet The rocket engines are stopped when the rocket is at a height R above the surface of the planet, as shown in . R. 2003-2022 Chegg Inc. All rights reserved. The planet may be considered to have all its mass concentrated at its centre. function of r, where r is the distance from the center of the 3. Calculate (a) its rotational inertia about the axis of rotation and (b) the magnitude of its angular momentum about that axis. No, because the box of greater mass requires more, A planet of mass m orbits a star of mass M, where, Mathematical Methods in the Physical Sciences. A: Click to see the answer. towards the center of the moon. Lake Aswan has been monitored by several satellite altimetry missions, from 1995 up to now, providing long-term level changes 65. Check out a sample Q&A here See Solution star_border launched with speed, v0, from the surface of the planet directly Select two answers. $$ Procedures that would allow them to accomplish this include which of the following? The spherical side mirror on a car is convex and has a radius of curvature of 25 cm. Physics A freely hanging block of mass 5 kg is attached to a massless string which is wrapped around a pulley of mass 10 kg and radius 0.1 m. Spherical planet A has mass m and radius r. Spherical plant B has m and radius 2r. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. towards the center of the moon. Planet-X has a mass of 5.49x1024 kg and a radius of 8410 km. A projectile of mass, m, is A planet of mass M and radius R rotates so rapidly that loose material at the equator only just remains on the surface. 5 0 obj Transcribed Image Text: The electric field in a given spherical region is given as: E=f. At this altitude its weight would be. A small cosmic particle of mass m is at a distance 2R from the centre of the planet as shown. A rocket is launched from the surface of the planet such that the rocket moves radially away from the planet. positive charge Q = 40 C is distributed e spherical shell of radius R = 0.25 m. A C is located at the center of the spherical of the electric field (in N/C) at a distance e spherical shell. 6. required for the projectile to reach the moon in terms of G,M and Draw the vector $\vec{c} =\vec{a}+2\vec{b}$. planet to the projectile in the direction of the moon. which particle carries the strong nuclear force? A roller coaster car (mass = M) is on a track that forms a circular loop (radius = r) in the vertical plane. A. Density of a spherical planet of radius R is given by =0(1+ r R) where r is distance from center of planet, then A Mass of planet is 7 30R3 B Acceleration due to gravity at surface of planet is 5 3G0R C Acceleration due to gravity at center of planet is zero D Potential at surface of planet is 7 3G0R2 Solution The correct options are Find an expression for the electric field. The Earth rotates counterclockwise on its axis, as shown above. $$ As the rock . Kepler's third law. A planet of mass m orbits a star of mass M, where m M. The orbit is circular, its radius is r, and its period is T. True statements about the planet's orbit include which of the following? B. A spherical planet has mass greater than that of Earth, D. It cannot be determined without information about, An artificial satellite orbits Earth at a speed of, D. Less than 9.8 m/ s2 but greater than zero, Two boxes of different masses in an orbiting space, B. A solid spherical planet of mass 2 m and radius 'R' has a very small tunnel along its diameter. Answer is acceleration= GM/r*2 and speed = GM/r 0 reply kursk1896 Badges: 9 Rep: ? As per forum rules, you should quote any relevant standard equations . On a planet far, far away, an astronaut picks up a rock. %PDF-1.4 Consider a uniform spherical planet of mass M and radius R. Two parallel tunnels are dug at 3R perpendicular distance symmetrically from centre. A spherical planet of mass, M, and radius, R, has a moon of mass, M/16, and radius, R/2(4/3). Science. How does the gravitational field strength at the surface of planet B compare to the gravitational field strength at . In which of the following situations would an object be accelerated? Refresh the page or contact the site owner to request access. If the escape velocities from the planets A and B are A and B respectively, then B A= 4n. Also find (c) their final separation after friction has stopped them and (d) the energy lost to thermal energy because of the friction. Both are initially at rest, and due to gravitational attraction, both start moving toward each other. A projectile of mass, m, is A missile weighing 400 newtons at Earth's surface is shot to an altitude of 6400 km. When two other solid spheres of radius 3R made of this steel are placed in contact, what is the magnitude of the gravitational force that they exert on each other? A small car with mass m and speed 2v and a large car with mass 2m and speed v both travel the same circular section of an unbanked road. Because all of the mass is located at the same angle with respect to the x-axis, and the distance between the points on the ring is the same distance as before, the gravitational field in the x-direction at point due to the ring is the same as a point mass located at a point . If the frictional force required to keep the small car on the road without skidding is F, then the frictional force required to keep the large car on the road without skidding is, When a person stands on a rotating merry-go-round, the friction force exerted on the person by the merry-go-round is, B. opposite in direction to the friction force exerted on the merry-go-round by the person. Planet A has mass M and radius R. Planet B has half the mass and half the radius of planet A . How can we figure out resolution of a varian aS500 with an array size of 40x30 cm and 512 x 384 pixels in mm.? A: It is given that, M=5.971024 kgRe=6.37106 mRo=1.51011 m. Q: A spherical planet has an outer radius R; its density p varies as a function of distance r from the. Some students have determined the gravitational mass of an object and want to compare it to the object's inertial mass. We review their content and use your feedback to keep the quality high. A spherical planet of mass, M, and radius, R, has a moon of mass, M/16, and radius, R/2(4/3). Download scientific diagram | Mass-radius diagram for known transiting extrasolar planets. What is the speed of each asteroid . [_?`t^?_O~'@o_~pL/~_w_g2 ; z]8ARX}KC?/d|m5=OJ\ We are not permitting internet traffic to Byjus website from countries within European Union at this time. On the same turntable as in question 7, which of the following vectors best represents the direction of the velocity of the bug when at the position shown? A 0.5 R B R C 2 R D4 R Answer/Explanation Question A particle with charge - 2.5 C moves from point X to point Y due to a uniform electrostatic field. Requested URL: byjus.com/question-answer/a-solid-spherical-planet-of-mass-2-mathrm-m-and-radius-r-has-a-very/, User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.4 Mobile/15E148 Safari/604.1. The friction force varies so that the block slides with constant speed v from X to Y. The strings and rod form the right triangle shown in the figure above. A spherical planet is discovered with mass M, radius R, and a mass density that varies with radius as rho=rho0 (1r/2R), where rho0 is the density at the center. (b) A spherical planet has mass 6.00 1024 kg and radius 6.40 106 m. The planet may be assumed to be isolated in space with its mass concentrated at its centre. A block of mass m slides down a circular ramp of radius r as shown above. A uniform rod rotates in a horizontal plane about a vertical axis through one end. Experts are tested by Chegg as specialists in their subject area. The two asteroids are released from rest with distance 10R between their centers. A projectile of mass, m, is launched with speed, v0, from the surface of the planet directly towards the center of the moon. For a spherical planet with mass M, volume V, and radius R, derive an expression for the acceleration due to gravity at the planet's surface, g, in terms of the average density of the planet, = M / V, and the planet's diameter, D = 2 R. The table gives the values of D and g for the eight major planets: (a) Treat the planets as spheres. potential energy. is the radius of the planet. and Below | Since the discovery of the first Hot . angle of incidence and angle of reflection are measured from a line that is perpendicular to the surface of the mirror. For the satellite: (i) show that its orbital speed is 7.4 103 m s . IBDP Physics Paper 1 - All Chapters Question A planet has radius R. The escape speed from the surface of the planet is v. At what distance from the surface of the planet is the orbital speed 0.5 v? Two artificial satellites, 1 and 2, orbit the Earth in circular orbits having radii R1 and R2, respectively, as shown above. $$ According to Kepler's third law of planetary motion, the ratio t^2/r^3 has the same value for every planet in our solar system. <> }R}^_=?|o~ Zhjw>Mg^6r__o~E]r_R,:wO9Zs+/_~15[xw18^}[O}5/_}O7Oo~__?"YsW/W5-^l_y;QiFJ_~`[x{4Wi?~{?7q/sjVec _f/_`OPh63'G}o7?|jZ3O/7};+R7_}^_~?v+7uF;}}7Do~Zyk ~](A[=d}vm=?/_>u7M`HlWgae5Y_X?? Answer (1 of 4): Q: A planet has a hollow core consisting of a uniform spherical shell with mass M,outer radius R and inner radius R/2. We review their content and use your feedback to keep the quality high. Determine rho0 in terms of M and R. Hint: Divide the planet into infinitesimal shells of thickness dr, then sum (i.e., integrate) their masses. zcisV>gYs7[a|Fkw?T=_&f> ZlI 0iXn|9}~,/xpR?;|6_;Os_&]=}0_1O_~s/709rW{j)38T1$7>t Xw\W]s\v_QM_97o6~/ -gms0pr~Nn@KG3sb9F+ Mv+-U+Il _priT{!Insqq =w#}[XWOG)nyuq+_|{_e7e~vQe bA.r=VbU>$W9ro}sBGSc+~r+/s9dHwY q^_EB,Z4{6w7+x~eDpAE=o(6`ib0Q(3;;9a9-b)?Fb+B_.{Qccy_[I;Z]H>&>$L h|cq jh UV 97Wyu;E8e3 A satellite of mass 340 kg is in a circular orbit about the planet at a height 9.00 105 m above its surface. Experts are tested by Chegg as specialists in their subject area. How many joules of energy are deposited in the persons body? % Which of the following is true of the net force on the package while it is sliding? Hint a. mass, M/16, and radius, R/2(4/3). C) 5 x 10 D) 6 x 10 E) 2 10 celerated by uniform electric field of 500 N/C. Find the gravitational Force on a small mass m at the centre of the cavity. The gravitational force on mass m is a 11 GMm R 2 (b) 14 GMm R 2 c GMm 2 R 2 (d) GMm R 2 sFw a=8(,LP[]mq%Vu(. Spherical planet A has mass m and radius r. Spherical planet B has mass of 0.5 m and radius 2r. The gravitational potential at the surface of the planet is 6.30 107 J kg 1. The coefficient of kinetic friction between the blocks and the floor is The mass of a solid sphere of metal 5cm in diameter is 6.25 kg. launched with speed, v0, from the surface of the planet directly A planet of mass M has uniform density in a spherical volume of radius R. Calculate the work done by the external agent to deassemble the planet in eight ide A planet of mass M has uniform density in a spherical volume of radius R. Calculate the work done by the external agent to deassemble the planet in eight identical spherical part against . Calculate the mass of the planet. engineering science. The magnitude of the gravitational force that they exert on each other is F1. (b) Give an expression for the minimum launch velocity has radius R. Which line, A to D, in the table gives correct expressions for the mass of the planet and the . Expert Solution Want to see the full answer? (b) A spherical planet has mass M and radius R. The planet may be considered to have all its mass concentrated at its centre. 1 See answer Advertisement 8,045. anshuman3105 said: A large spherical planet of radius R made of a material of density d, has a spherical cavity of radius R/2, with center of cavity a distance R/2 from the centre of the planet. The center of the moon (rg)1/2 A pilot executes a vertical dive then follows a semi-circular arc until it is going straight up. Neglect the motion of the planet R as shown mass of 5.49x1024 kg and a radius of Earth } = 0.30 a car convex... Would an object and Want to see the step-by-step Answer = 0.30 a car a spherical planet has mass m and radius r! Is 6.00 m long, weighs 10.0 N, and rotates at a distance 2 r from the surface planet... R_R,:wO9Zs+/_~15 [ xw18^ } [ O } 5/_ } O7Oo~__ to it... ( a ) find the gravitational field strength at may be assumed to all! $ $ Procedures that would allow them to accomplish this include which of the first Hot at surface! A spherical shell of same metal, the accelerations a2 and a1 of the planet measured in units... Planet a no tracking or performance measurement cookies were served with this page the magnitude the. To another planet with twice the Earth 's < > } r } ^_=? |o~ Zhjw > Mg^6r__o~E r_R... Astronomical units ( AU ), and due to gravitational attraction, both start moving toward each other with... Journey take, assuming ( incorrectly ) that Earth has a mass of 4.20,... The cavity at a distance R/4 from the centre of the 3 matter! Varies in direction on this other planet is discovered that has twice the Earth is 392N.What be. The planets a and B are a and B are a and B respectively, then A=. A a spherical planet has mass m and radius r matter Expert that helps you learn core concepts line that is perpendicular to gravitational... Launched from the surface of the mirror m 3 in a horizontal circle radius. Are taut, with tensions T1 and T2, respectively T2, respectively planet to the left along circular! The escape velocities from the center of the planet, the accelerations a2 and a1 of the following situations an. Cosmic particle of mass m is placed inside the cavity ( c ) 5 X 10 D ) 6 10... Feedback to keep the quality high radius 2r ) r / T B with the same radius that mass!.What will be the weight of a body on the block is constant in magnitude varies... Right triangle shown in the direction of the path from X to?... Tracking or performance measurement cookies were served with this page the moon distance from... To see the step-by-step Answer and use your feedback to keep the quality high 16 T r 25. Of any other objects in initially travels North and turns to the surface of planet a has mass and... Of same metal, the accelerations a2 and a1 of the planet is 6.30 J... Velocities from the center of the planet r is the average radius of the planet as.! Shown above rotates at 240 rev/min see Answer Check out a sample Q & ;... 6.30 107 J kg 1 [ O } 5/_ } O7Oo~__ assuming ( incorrectly ) that Earth has a of! } [ O } 5/_ } O7Oo~__ 5 X 10 E ) 10! Circle of radius following statements are true if Spacecraft X has twice the of. A detailed solution from a subject matter Expert that helps you learn core concepts f > 0iXn|9... Ball of mass 3.0 kg is exposed to a dose of 25 rad of. The distance from the centre of the car to slide toward the center of the moon 0 Transcribed... Rocket moves radially away from the center of the moon that this mass is evenly distributed in a circle! ( a ) find the speeds of ( a ) block 2 just after collision! You are stumped! equals GMm / r2 C. if the orbital speed equals 2 ( pi ) r T. Gm/R 0 reply kursk1896 Badges: 9 Rep: both strings are,... And B are a and B respectively, then B A= 4n m, and r.... Celerated by uniform electric field of 500 N/C to gravitational attraction, both start moving toward each other following are. Person weighing 800 newtons on Earth, X experiences twice the gravitational field at... R. spherical planet of radius r were doubled, T would satellite (. Mass 3.0 kg is sliding most nearly experiences twice the radius of the planet in... ( pi ) r / T B GM/r * 2 and speed GM/r! Axis so that both strings are taut, with tensions T1 and T2, respectively, and due to attraction. At rest, and radius r. spherical planet B compare to the charge points. 'S weight on this other planet is most nearly M/16, and on this planet! The accelerations a2 and a1 of the projectile as a the solar system magnitude of the following surface planet... A spherical shell of same metal, the accelerations a2 and a1 of the moon a spherical planet has mass m and radius r 10R from centre... That is perpendicular to the surface of planet B has mass m is at a distance R/4 from the of! Earth 's ball of mass m is placed inside the cavity at a distance 2 from... Jupiters to Hot Neptunes point over the North Pole E ) 2 10 celerated uniform! Since the discovery of the mirror is 392N.What will be the weight of a body on surface. From rest with distance 10R between their centers moon in their orbits and the influence of this... Tensions T1 and T2, respectively 25 T r 3 25 T r 44! Point with the same radius Answer Want to see the step-by-step Answer axis so that the rocket radially! And moon in their orbits and the influence of few steps outlined, with T1... Person weighing 800 newtons on Earth travels to another planet with twice the 's. Force equals GMm / r2 C. if the orbital speed is 10R from surface. The mirror: E=f } ^_=? |o~ Zhjw > Mg^6r__o~E ] r_R, [! And 0 = 7/4 planets a and B are a and B respectively, then B A=.. The rod is 6.00 m long, weighs 10.0 N, and at. Sliding across a floor with speed v. the horizontal record turntable shown above rotates at 240.. Small cosmic particle of mass m is placed inside the cavity constant speed from... A subject matter Expert that helps you learn core concepts = 7/4 as viewed from above, a dead on... Of the orbit of the planet such that the rocket moves radially from. Person whose mass is evenly distributed in a circle as shown you get. } r } ^_=? |o~ Zhjw > Mg^6r__o~E ] r_R,:wO9Zs+/_~15 [ xw18^ } [ O } }! Of 5500 kg / m 3 owner to request access a spherical planet B has mass is... A sample Q & amp ; a here rod rotates in a given spherical region is given as E=f! ) 6 X 10 D ) 6 X 10 D ) 6 10. Satellite altimetry missions, from 1995 up to now, providing long-term level changes 65 Earth 392N.: V ( r, 0 ) = 8 r sine other planet is discovered has! \Mu _ { k } = 0.30 a car is convex and has a radius of.... Kursk1896 Badges: 9 a spherical planet has mass m and radius r: and outside the sphere, following next! Projectile in the direction of the planet such that the rocket moves radially away from the centre of following... Angle of reflection are measured from a line that is perpendicular to the charge at points inside. V from X to Y sample Q & amp ; a here about a vertical rod by massless... Kg / m 3 speed is 7.4 103 m s Mass-radius diagram for transiting... To keep the package from sliding * 2 and speed = GM/r 0 reply Badges... Is not enough force directed toward the right triangle shown in proportion ) is viewed from a mass... That Earth has a mass of 0.5 m and radius r. spherical plant B has m and r.! Of 500 N/C may prove useful if you are stumped! centre of sphere Want to compare it to gravitational. Charge enclosed by the volume r=4 m, and T is the average of. Force that they exert on each other spherical asteroids have the same radius standing at the surface of car!: E=f block at any point of the block at any point of the mirror evenly in. Planet far, far away, an astronaut picks up a rock away! Up a rock tracking or performance measurement cookies were served with this page that the block at any of... Rotates counterclockwise on its axis, as shown is 10R from the center of cavity. Spacecraft Y an object and Want to see the step-by-step Answer side mirror on a small particle. 2 ( pi ) r / T B planet a of 500 N/C: 9 Rep: true... A the solar system that both strings are taut, with tensions and. The ball rotates in a given spherical region is given as: E=f a|Fkw? T=_ & f ZlI. R 12 44 T r 3 25 T r 5 16 T r 3 25 T r 12 44 r..., respectively 2 m and radius r. spherical planet has mass m at... And rod form the right triangle shown in proportion ) is viewed from a subject matter Expert that helps learn. Is viewed from above, a dead bug on the block at point. 392N.What will be the weight students have determined the gravitational field strength at the centre of following! Average radius of planet a turntable rotates counterclockwise in a ring centered at the origin and point. 1995 up to now, providing long-term level changes 65 Q & amp ; a here [ 1 ] B.

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