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April 18, 2014

Homework Help: physics

Posted by Katie on Friday, March 2, 2012 at 1:06pm.

Determine for each of the following statements whether it is always true or can be false.

In a perfectly inelastic collision, the kinetic energy is conserved.

Kinetic energy is conserved in an elastic collision.

Two objects of different masses but moving at the same velocity have different momentum.

In an elastic collision the momentum is not conserved.

Momentum of a system may be conserved even when mechanical energy is not.

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