AP Physics 1mediummcq1 pt
A 2.0 kg object's velocity changes from 3.0 m/s east to 3.0 m/s west. The magnitude of its momentum change is
A.12 kg·m/s
B.0 kg·m/s
C.6.0 kg·m/s
D.18 kg·m/s
Explanation
Core Concept
|Δp| = m|vf − vᵢ| = 2.0|−3 − 3| = 12 kg·m/s.
Correct Answer
A12 kg·m/s
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