A force of 10N acts on a body of mass 2 kg for 3s, initially at rest. Calculate:
(i)the velocity acquired by the body
(ii)change in momentum of the body
(i)the velocity acquired by the body
(ii)change in momentum of the body
Add an Answer
More Questions From This User See All
Answers & Comments
10=2*a
a=10/2=5m/s
a=v-u/t
5=v-0/3
5=v/3
v=5*3
v=15 m/s(ans)
ii) change in momentum = mv-mu=2*15-2*0=30-0= 30 kgm/s(ans)