Calculate the change in momentum of a body weighing 5 kg when it's velocity decreases from 20 m/s to 0.20 m/s.
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Answer:
99 kg.m/s
Explanation:
p=mv
here we have to find change in momentum
so,∆p=p1-p2
∆p=mv1-mv2. (becoz mass is const.)
p=5(20-0.20)
p=5×19.8
p=99kgm/s
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