Asked by Dorian

A 6.0 kg object at rest explodes into two parts. If part A has mass 2.0 kg and a velocity of 18.0 m/s right, what is the velocity of part B?

*The answer is 9 m/s, but I can't seem to get the answer. Any help would be appreciated!*
Answered by oobleck
conserve momentum
6.0 * 0 = 2.0*18.0 + (6.0-2.0)v
Answered by Dorian
Oh, I get it now! Thanks very much for your help!
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