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OpenStudy (anonymous):

A 6.0 kg mass is released from rest at point A of a circular track of radius R= 0.45m. The mass slides down the track and collides with a 2.3-kg mass that is initially at rest on a horizontal frictionless surface. If the masses stick together what is their speed after the collision?

OpenStudy (anonymous):

A. 3.4 m/s B. 1.7 m/s C. 3.8 m/s D. 2.9 m/s E. 2.1 m/s

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