А
A fource act
body of 10 kg. It
velocity of the body
the body. changes from 5 m/sec
to Im/sec. what is the work done
by
the force
on the body.
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Answer: In this question we should find kinetic energy.
k.e→ 1/2mv²
1/2×10×1×1
=5
k.e→ 1/2mu²
1/2×10×5×5
=125
Total= 125-5
=120 joule
answer is 120 joule .
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