Questions
A satellite is revolving round the earth with orbital speed .If it stops suddenly, the speed with which it will strike the surface of earth would be ( = escape velocity of a particle on earth’s surface)
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a
Ve2V0
b
V0
c
Ve2−V02
d
Ve2−2V02
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Correct option is D
Just before it strikes the surface of earth12mv2+−GMemR=Ei=−GMemr⇒V2=2GMeR−2GMer=Ve2−2GMeGMe/V02⇒V=Ve2−2V02Similar Questions
When a projectile attains the escape velocity, then on surface of planet its
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