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A ball A is thrown vertically upwards wi...

A ball A is thrown vertically upwards with speed u. At the same instant another ball B is related from rest at height h. At time t, the speed of A relative to B is

A

u

B

2 u

C

u= 2gt

D

` sqrt(( u^(2) -gt))`

Text Solution

Verified by Experts

The correct Answer is:
A

`V_A=u-gt,V_B =- "gt" rArr V_A-V_B =u`
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