Question

A body is thrown from surface of earth with velocity 'u' m/so. The maximum height in m above the surface of the earth upto which it can reach is? (R=radius of earth and g =acceleration due to gravity )

Answer 1

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Answer 2

height is about ut/2

a=v-u/t

a= -u/t

2as=v^2-u^2

2as=-u^2

s=u2/2a

now put a and substitute it