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Question

An asteroid of mass M is approaching earth, initially at a distance of 10Re with speed Vi. It hits the earth with a speed Vf (Consider Re and Me as radius and mass of the earth), then:


A

V2f=V2i+GMeR[1110]

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B

V2f=V2i+2GMRe[1+110]

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C

V2f=V2i+2GMeRe[1110]

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D

V2f=V2i+2GMRe[1110]

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