Momentum
Classical Mechanics
Level
1
A body of mass 5 kg undergoes a change in speed from 20 m/s to 0.20 m/s.
How much (in Kg M/s) did the momentum of the body change by?
The answer is 99.
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1 solution
Momentum=M.V, where M & V are mass and velocity respectively.
But given M=5kg and change in velocity is 19.8
therefore substituting the value, we get the change in momentum as 99