Question

Which is having a higher value of momentum A bullet of mass 10 g moving with a velocity of 400m/s or a cricket ball of mass 400g thrown with the speed of 90km/h?

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

Answer:

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