Questions
A satellite is moving in a circular orbit at a height R above the surface of earth with kinetic energy K. If the satellite is suddenly stopped, with what kinetic energy will it strike the surface of earth?
detailed solution
Correct option is A
Initially, −K=−GMm2(2R)⇒K=GMm4Rwhen the satellite is falling on to the surface of earth, conserving energy, K1+(−GMmR)=0+(−GMm2R)⇒K1=GMm2R=2 KTalk to our academic expert!
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