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Problem: Ball 1 with a mass of 100g and travelling at 10m/s, collides head on with ball 2 which has a mass of 300g and is initially at rest. What are the final velocities of each ball if the collision is:a) perfectly elasticb) perfectly inelastic

FREE Expert Solution

This problem requires us to use the concept of conservation of momentum:

m1v01+m2v02=m1vf1+m2vf2

a)

We have:

Since ball 2 is initially at rest, v02 = 0 m/s

Since the collision is perfectly inelastic, we have:

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Problem Details

Ball 1 with a mass of 100g and travelling at 10m/s, collides head on with ball 2 which has a mass of 300g and is initially at rest. What are the final velocities of each ball if the collision is:
a) perfectly elastic
b) perfectly inelastic

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