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A surface is hit elastically and normall...

A surface is hit elastically and normally by n bals per unit time, all the balls having the same mass m, and moving with the same velocity v. then the force acting on surface is

A

`mnu^(2)`

B

2mnu

C

`(1//2)mnu^(2)`

D

`2mnu^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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