GravitationHard
Question
A particle is projected vertically upwards the surface of the earth (radius Re) with a speed equal to one fourth of escape velocity. What is the maximum height attained by it from the surface of the earth ?
Options
A.
B.
C.
D.None of these
Solution
From conservation of mechanical energy 
mv2 = 
Where R = maximum distance from centre of the earth Also v =
⇒
m × 
⇒ R = 
⇒ h = R - Re = 
mv2 = Where R = maximum distance from centre of the earth Also v =
⇒
m × ⇒ R = ⇒ h = R - Re = Create a free account to view solution
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