A boy of mass 10kg moving with a velocity of 5m/s is brought to a stop in 20s by applying force what is the initial and final momentum?
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initial momentum =10*5=50kgm/s.
final momentum=0
as it come to rest therefore it's final velocity is zero and as we know
that. momentum =mass*velocity there
but since v(final)=0
final momentum=0
as it come to rest therefore it's final velocity is zero and as we know
that. momentum =mass*velocity there
but since v(final)=0
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