2.99 See Answer

Question: An object of mass m moves to


An object of mass m moves to the right with a speed υ. It collides head-on with an object of mass 3m moving with speed υ/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) 0
(b) υ/2
(c) υ
(d) 2υ

2.99

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