A satellite is moving with a constant speed in a circular orbit about the earth. An object of mass is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of its ejection, the kinetic energy of the object is |
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a) |
b) |
c) |
d) |
A satellite is moving with a constant speed in a circular orbit about the earth. An object of mass is ejected from the satellite such that it just escapes from the gravitational pull of the earth. At the time of its ejection, the kinetic energy of the object is |
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a) |
b) |
c) |
d) |
(b) In circular orbit of a satellite of potential energy Just to escape from the gravitational pull, its total mechanical energy should be zero. Therefore , its kinetic energy should be |