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Two spheres of same material are moving ...

Two spheres of same material are moving with linetic energies in the ration `108:576`. If the ratio of their veloctities is `2:3`, then the ratio of their radii is

A

`1:1`

B

`2:3`

C

`3:4`

D

`4:3`

Text Solution

Verified by Experts

The correct Answer is:
C

`K = (1)/(2)m v^(2) = (1)/(2)rho((4)/(3)pi r^(3))v^(2)`
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