a bullet of mass 20 g moving is accelerated uniformly from a velocity of 36km/h to 54km/h in 25s . calculate 1. initial momentum 2. final momentum 3. force acting on the body
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mass of the bullet =20g
=20,000 kg
initial velocity = 36 km/h
=10m/s
final velocity = 54km/h
=15m/s
time =25s
p=m×v =20,000×15=300000
f=mv-mu/t
f=20000×15-20000/25
f=300000-785
f=299215
=20,000 kg
initial velocity = 36 km/h
=10m/s
final velocity = 54km/h
=15m/s
time =25s
p=m×v =20,000×15=300000
f=mv-mu/t
f=20000×15-20000/25
f=300000-785
f=299215
pranav149:
how can 20g be equal to 20000kg¿¿¿¿¿¿¿¿¿¿
1g = 1000kg
1kg = 1000gm
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