In an isolated system, a red ball of mass m moves to the right with speed v. It strikes a green ball, of
mass 2m, which was initially stationary. After the collision, the red ball remains stationary. How does
the green ball move?
A. To the left, with speed v/2
B. To the right with speed 2v
C. To the right, with speed v/2
D. To the left with speed 2v
Answers: 3
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In an isolated system, a red ball of mass m moves to the right with speed v. It strikes a green ball...
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