calculate change in momentum of a body weighting 5 kg when its velocity decreases from 20 m/s to 0.20m/s
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it is 1/100 times of the original
the answer is -99!!
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V=0.20m/s
m=5kg
Final momentum= mv
= 5*0.20
=1.00
Initial momentum= mu
=5*20
=100
Change in momentum=mv-mu
=1-100
-99kgm/s
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