Question

A bullet of mass 10 g is fired with a velocity 72 km/h into a block of mass 1 kg. What is the K.E. of the system?​

Answer 1

Answer:

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Answer 2

Answer:

By conservation of momentum, we know,

m1v1 =m2v2

10 / 1000 kg × v = =1kg×5m/s

v=1kg×5m/s

10 kg

1000

Velocity of muzzel =V=500m/s

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