Force from Time-Varying Momentum
The momentum of a 2.0 kg object is given as a function of time t by the equation p(t) = 4t² - 2t, where p is in kg·m/s and t is in seconds. What is the net external force on the object at t = 3 s?
A
8 N
B
11 N
C
22 N
D
34 N
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