AP Physics 1easymcq1 pt
A 2.0 kg object speeds from 3.0 m/s to 7.0 m/s. Its change in momentum is
A.8.0 kg·m/s
B.20 kg·m/s
C.14 kg·m/s
D.6.0 kg·m/s
Explanation
Core Concept
Δp = mΔv = (2.0)(7.0 − 3.0) = 8.0 kg·m/s.
Correct Answer
A8.0 kg·m/s
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