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The momentum of a body is increased by 5...

The momentum of a body is increased by 50% what is the percentage increase in its K. E.?

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When momentum is increased by 50%, velocity increases by 50% i.e. velocity becomes `3/2` times and K. E. becomes `9/4 xx 100 = 225%`. Hence, increase in K. E. `= 225 - 100 = 125%`.
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