Question

Which is having a higher value of momentum A bullet of mass 10 g moving with a velocity of 400 m/s or a cricket ball of mass 400 g thrown with the speed of 25m/s 50 points question

Answer 1

Momentum = mass(kg) x velocity(m/s). Therefore find the momentum for each:

Bullet

velocity: 400m/s

mass: 10g = 0.01kg

momentum = 400m/s x 0.01 = 4 kgm/s

cricket ball:

velocity: 90km/hr = 90000m/(60x60)s = 25m/s

mass: 400g= 0.4kg

momentum= 0.4kg x 25m/s = 10kgm/s

Therefore the cricket ball has a higher momentum of 10kgm/s as compared to that of the bullet of 4kgm/s

Answer 2

See the above two pic ☝☝

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