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A body of mass 0.8 kg has intial velocit...

A body of mass 0.8 kg has intial velocity `(3hati-4hatj) ms^(-1)` and final velocity `(-6hatj+2hatk) ms^(-1)`. Find change in kinetic energy of the body?

A

3 J

B

6 J

C

2 J

D

1.5 J

Text Solution

Verified by Experts

The correct Answer is:
B
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