Question

Q20. A body is thrown vertically upward with velocity U, the greatest height to which it will rise
a) V/8
b) U²/2g
c) U/g
d) 0/2g​

Answer 1

Explanation:

option d is an ans

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Answer 2

$\huge\underline\mathfrak\red{Question}$

Q20. A body is thrown vertically upward with velocity U, the greatest height to which it will rise

a) V/8

b) U²/2g

c) U/g

d) 0/2g

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$\huge\underline\mathfrak\blue{Answer}$

A body is thrown vertically upward .

at maximum height velocity of body = 0

use kinematics formula ,

v² = u² + 2as

here v = 0

a = -g

s = H

0 = u² -2gH

H = u²/2g

hence, maximum height attained by body u²/2g

option ( b) is correct .