November 24, 2015

Homework Help: physics

Posted by Anonymous on Wednesday, February 23, 2011 at 4:21pm.

A 120-kg tackler moving at 5 m/s meets head-on (and tackles) a 80-kg halfback moving at 5 m/s, after which they couple together.
What will be their mutual speed after the collision?
Hint: use conservation of momentum law for INELASTIC collision.

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