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A ball is thrown vertically up (taken as...

A ball is thrown vertically up (taken as + z-axis) from the ground. The correct momentum-height (p-h) diagram is:

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
C
`V^2 = u^2 - 2gh " " implies " "m^2v^2 = m^2u^2 - 2mgh implies p^2 = A - Bh ` (Where `A = m^2u^2 , b = 2mg)`
Clearly it is parabolic functions.
Starting from ground momentum first decreases and then becomes zero at highest position. Therefore it increases in –ve direction. Hence `3^(rd)` option is correct.
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