Inelastic collisions

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Take g= 9.8 m/s^2.

A 0.5 kg ball moving at 12 m/s collides centrally with a 0.25 kg ball moving in the opposite direction at 18 m/s. If the collision is inelastic and the balls stick together after colliding find:

1) the common velocity after impact,

2) the loss in kinetic energy in the collision, and

3) what forms does the missing energy take?

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Solution Preview

1) The common velocity after impact:

Applying the law of conservation of momentum,
m1v1 + m2v2 = (m1 + m2)v

Therefore,
v = (m1v1 + m2v2)/(m1 + m2)
= (0.5*12 - 0.25*18)/(0.5 ...

Solution Summary

Law of conservation of momentum is applied in the solution.

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