Gravitation Ques 51
A ball is dropped from a satellite revolving around the earth at a height of $120 $ $km$. The ball will fall towards the earth due to gravity and eventually burn up in the atmosphere.
[1996]
(a) continue to move with same speed along a straight line tangentially to the satellite at that time
(b) continue to move with the same speed along the original orbit of the satellite
(c) fall down to earth rapidly
(d) go far away into space
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Answer:
Correct Answer: 51.(b)
Solution:
- (b) The orbital speed of a satellite is independent of the mass of the satellite, so the ball will behave as a satellite and will continue to move with the same speed in the original orbit.
BETA
