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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

`u-gt`

C

`u-2gt`

D

`(u^(2)-2gh)^(1//2)`

Text Solution

Verified by Experts

The correct Answer is:
a
`V_(AB) = (u-gt) + gt = u`
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ICSE-COMPETITION CARE UNIT-Dynamics (UNIFORMLY ACCELERATED MOTION)
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