Question

Derive the expression for the height reached by
vertically projected body when projected
with velocity u​

Answer 1

Answer:

When a body attains maximum height its final velocity v=0.

v2−u2=−2gs

h=u2/2g

At highest point, v=0, t=T/2

v=u−gt

T/2=u/g...........(1)

s=ut−21gt2

h=uT/2−21g(T/2)2.......(2)

From (1) and (2),

h=gT2/8

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Explanation:

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Answer 2

Answer:

h=2gu2.

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