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A ball is thrown vertically upwards from...

A ball is thrown vertically upwards from the ground with velocity `15 m//s` and rebounds from the ground with one-third of its striking velocity. The ratio of its greatest heights before and after striking the ground is equal to :

A

`4:1`

B

`9:1`

C

`5:1`

D

`3:1`

Text Solution

Verified by Experts

The correct Answer is:
B
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