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A 2 kg body and 3 kg body have equal mom...

 A 2 kg body and 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the kinetic energy of 2 kg body will be in Joule)

A

6.66

B

15

C

22.5

D

45

Text Solution

Verified by Experts

The correct Answer is:
b

If the momentum is constant then, ` k1/k2=m2/m1`
` 10/k2=2/3`
`k_(2)=30/2=15J`
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