Question

momentum of a body with velocity of 4.9 metre per second and mass 2.5 kg is ​

Answer 1

Answer:

b) Momentum after force acts p

2

=m×v=10×8=80kg.m/s

c) Gain in momentum per second =

2

40

=20kg.m/s

d) Acceleration a=

t

v−u

=

2

8−4

=2m/s

2

Force =m×a=10×2=20 N