Question

an object of mass 1 kg travelling in a straight line with the velocity of 10m/s collides with an sticks to a stationary wooden vlog of mass 5kg then they both move together in a same straight line. Calculate the total momentum & combine velocity???​

Answer 1

Answer:

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Answer 2

Answer:

Given,

m=1kg,u

1

=10ms

−1

,M=5kgandu

2

=0ms

−1

From conservation of momentum

Initial momentum = final momentum

mu

1

+Mu

2

=(m+M)v

1×10+5×0=(1+5)v

10=6v

Hence, velocity of both isv=

5/3ms −1

Total momentum before is 10kgms −1

From momentum conservation, total momentum after is 10kgms −1

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