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A ball is thrown vertically down with ve...

A ball is thrown vertically down with velocity of 5m/s. With what velocity should another ball be thrown down after 2 seconds so that it can hit the 1 st ball in 2 seconds

A

40 m/s

B

55 m/s

C

15 m/s

D

25 m/s

Text Solution

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The correct Answer is:
A
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