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A particle of mass m has half the kineti...

A particle of mass m has half the kinetic energy of another particle of mass `m/2`. If the speed of the heavier particle is increased by `2 ms^(-1)` its new kinetic energy becomes equal to t he original kinetic energy of the lighter particle. The ratio of the orighinal speeds of the lighter and heavier particle is

A

`1:1`

B

`1:2`

C

`1:3`

D

`1:4`

Text Solution

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The correct Answer is:
B
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