Questions
A particle is dropped from a height equal to the radius of the earth into a tunnel dug through the earth along one of the diameters as shown in the fig.
R: Radius of earth
M: Mass of earth
detailed solution
Correct option is Æ
The force outside the earth varies as inverse square f the distance. Motion is not simple harmonic.However, from symmetry of motion, the motionFrom COE12mv2=−GMm2R−(3GMm2R) ⇒v=2GMRTalk to our academic expert!
Similar Questions
A shell of mass M and radius R has a point mass m placed at a distance r from its centre. The gravitational potential energy U (r) vs r will be
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