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Physics 9 Online
OpenStudy (anonymous):

a 2-kg metal ball moving at a speed of 3 m/s strikes a 1-kg wooden ball that is at rest. after the collision, the speed of the metal ball is 1 m/s. Assuming momentum is conserved, what is the speed of the wooden ball

OpenStudy (anonymous):

Initial momentum=Final momentum\[2 kg*3m/s=2kg*1m/s+1kg*v\] Solve for v

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