Question #6426084Single Choice
Physics
Question
In an elastic collision, object A with mass m collides with object B with mass 2m. If object B is initially at rest and the collision is perfectly head-on, which of the following describes the final velocity of object A?
Options
A
It stops completely.
B
It reverses direction with half its initial velocity.
C
It reverses direction with one-third of its initial velocity.
D
It reverses direction with two-thirds of its initial velocity.
Answer & Analysis
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