AP Physics 1mediummcq1 pt
A 3.0 kg object speeds up from 2.0 m/s to 4.0 m/s. The net work done on it is
A.18 J
B.6.0 J
C.36 J
D.12 J
Explanation
Core Concept
Wₙet = ΔK = ½(3.0)(16 − 4) = ½(3.0)(12) = 18 J.
Correct Answer
A18 J
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