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In the above quation, velocity with whic...

In the above quation, velocity with which the sone hits the ground is

A

`39.2m//s`

B

`19.6m//s`

C

zero

D

`78.4m//s`

Text Solution

Verified by Experts

The correct Answer is:
A
`v=u+at=0+9.8xx4=39.2m//s`
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