AP Physics 1easymcq1 pt
A 2.0 kg ball at 6.0 m/s hits a 4.0 kg ball at rest and they stick together. The common velocity is
A.2.0 m/s
B.3.0 m/s
C.6.0 m/s
D.1.0 m/s
Explanation
Core Concept
(2.0)(6.0) = (6.0)v, so v = 12/6 = 2.0 m/s.
Correct Answer
A2.0 m/s
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