AP Physics 1mediummcq1 pt
A car brakes from 30 m/s to rest over 6.0 s with constant acceleration. The distance it travels while braking is
A.90 m
B.180 m
C.45 m
D.5.0 m
Explanation
Core Concept
Average velocity is (30 + 0)/2 = 15 m/s; distance = (15)(6.0) = 90 m.
Correct Answer
A90 m
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