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A running man has half the KE that a bod...

A running man has half the KE that a body of half his mass has. The man speeds up by `1.0ms^(-1)` and then has the same energy as the boy. What were the original speeds of the man and the boy?

A

`2 m//s`

B

`9.6 m//s`

C

`4.8 m//s`

D

7.2 m//s`

Text Solution

Verified by Experts

The correct Answer is:
C
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