Question

A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is:
(a) u/g
(d) u/2g
(c) u2/g
(b) u2/2g

Answer 1

Answer:

answer is b

Explanation:

bye and love you brother

Answer 2

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Here accleration is equal to –g because the body is against the gravity so –ve down also final velocity is zero and and let initial velocity be zero.

So, a=(–g), v=0 and u=u and s=h

From the equations of motion we know:

=> 2as = v²– u²

=> 2 (–g)h = 0 – u² => (–2g)h = –u²

=>h = (–u²)/(–2g)

=> h= u²/2g [ – sighs are callcenced]

So option b is the correct option.