AP Physics 1easymcq1 pt
A 3.0 kg object at rest explodes into a 1.0 kg piece moving east at 6.0 m/s and a 2.0 kg piece. The 2.0 kg piece moves
A.3.0 m/s west
B.3.0 m/s east
C.6.0 m/s west
D.12 m/s west
Explanation
Core Concept
0 = (1.0)(6.0) + (2.0)v, so v = −3.0 m/s (west).
Correct Answer
A3.0 m/s west
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