Question

A body is projected vertically up with u . Its velocity at half its maximum height is​

Answer 1

ans: for a body projected up,

Hmax= u2/2g(u square /2g)

by eq

v2-u2=2as

v2=u2-2gh

h=H/2= u2/4g

v2=u2-2gu2/4g

v2=u2-u2/2g

v2=u2/2

v=u/√2  

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