AP Physics 1mediummcq1 pt
A 2.0 kg object at 5.0 m/s receives an impulse of 6.0 N·s in its direction of motion. Its new speed is
A.8.0 m/s
B.11 m/s
C.3.0 m/s
D.5.5 m/s
Explanation
Core Concept
pf = (2.0)(5.0) + 6.0 = 16 kg·m/s; v = 16/2.0 = 8.0 m/s.
Correct Answer
A8.0 m/s
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