Question

A force of 2n acting on a body changes its velocity uniformily from 2m/s to 5m/s in 10 s.Calculate the momentum of the body

Answer 1

a=v-u/t
a=5-2/10=0.3m/s^2
f=m*a
2=m*0.3
m=20/3
momenttum=mv-mu
=》 =20/3(5-2)
=20 kgm/s

Answer 2

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