UNIVERSE
SATELLITESICY BODIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Consider a body of mass m which needs to bemoved from an orbit of radius 2R to 3R. What is the energy required?
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GmM/(12R)
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GmM/(6R)
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GmM/R
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GmM/2R
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Explanation:
Detailed explanation-1: -Work done = Change in potential energy = U2−U1=[−GMmr2]−[−GMmr1]=−GMm3 R+GMm2 R=GMm6 R.
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