An object of mass m moves to the right with a speed v. It collides head-on with an object of mass 3m moving with speed v/3 in the opposite direction. If the two objects stick together, what is the speed of the combined object, of mass 4m, after the collision?
a. 2v
b. v/2
c. 0
Answers: 3
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An object of mass m moves to the right with a speed v. It collides head-on with an object of mass 3m...
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