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OpenStudy (anonymous):
an object of mass m at rest explodes into two unequal masses 1/3m mass moves to the right with a speed of 20 m/s, what is the velocity acquird by the 2/3m mass? A.10m/s to the right B.40m/s to the left D. 10m/s to the right C.10m/s to the left
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OpenStudy (barrycarter):
Hint: conservation of momentum
OpenStudy (anonymous):
ans: C
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