Question
A satellite is revolving round the earth with orbital speed v₀ . If it stops suddenly, the speed with which it will strike the surface of earth would be ( vₑ = escape velocity of a particle on earth’s surface)
Options :
vₑ²/v₀
v₀
√(vₑ²-v₀²)
√(vₑ²-2v₀²)
Answer :
√(vₑ²-2v₀²)
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