AP Physics 1mediummcq1 pt
A 2.0 kg cart moving at 3.0 m/s collides elastically with a 2.0 kg cart at rest. Afterward, the first cart's velocity is
A.0 m/s
B.3.0 m/s
C.1.5 m/s
D.6.0 m/s
Explanation
Core Concept
Equal masses exchange velocities in an elastic collision, so the first stops.
Correct Answer
A0 m/s
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