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