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Two stones are thrown from the top of a ...

Two stones are thrown from the top of a towerone straight down with an initial speed u and the second straight up with the same speed u. When the two stones hit the ground, they will have speeds in the ratio

A

`1:1`

B

`2:1`

C

`1:2`

D

`2:3`

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The correct Answer is:
A
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