Question

a force of 10N acts on a body of mass 20kg for 10 sec calculate the change in its momentum

Answer 1

Answer:

F=10N,m=20kg,t=10s

a=

m

F

=

20

10

=0.5m/s

2

v=u+at=0+0.5×10=5m/s

Change in momentum =m(v−u)=20(5−0)=100kgm/s

Answer 2

Explanation:

this is yr ans

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