AP Physics 1easymcq1 pt
A force of 12 N acts on a 3.0 kg block initially at rest on frictionless ice for 2.0 m. The block's final speed is
A.4.0 m/s
B.8.0 m/s
C.2.0 m/s
D.16 m/s
Explanation
Core Concept
W = 24 J = ½mv², so v = √(2·24/3) = √16 = 4.0 m/s.
Correct Answer
A4.0 m/s
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