Angular Momentum from Time-Varying Torque
The torque on a rigid body varies with time according to the equation τ(t) = (3t² - 2t) N·m. At t = 2 s, the body’s angular momentum is 8 kg·m²/s. What is the angular momentum of the body at t = 3 s?
A
25 kg·m²/s
B
15 kg·m²/s
C
22 kg·m²/s
D
20 kg·m²/s
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