APFIVE Impulse from a Time-Varying Force
A 2.0 kg object initially at rest experiences a time-varying force F(t) = (6t - t²) N, where t is in seconds. What is the object’s change in momentum after the force acts from t = 0 s to t = 6 s?
A
12 kg·m/s
B
18 kg·m/s
C
72 kg·m/s
D
36 kg·m/s
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