A body is projected vertically from the surface of the earth of radius ' R ' with velocity
equal to half of the escape velocity. The maximum height reached by the body is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Let the body be projected up from the surface of the earth with velocity v and it reaches a
maximum height h.
Given velocity, 
where 
is the escape velocity,
Applying law of conservation of energy, total energy of body (K.E + P.E) on the earth's surface 
Total energy of the body at a height h
Final velocity 
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