AP Physics 1easymcq1 pt
A 0.40 kg soccer ball at rest is kicked with an impulse of 8.0 N·s. Its speed afterward is
A.20 m/s
B.3.2 m/s
C.8.0 m/s
D.2.0 m/s
Explanation
Core Concept
Δp = mΔv, so v = J/m = 8.0/0.40 = 20 m/s.
Correct Answer
A20 m/s
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