A 2.2 kg toy car can move along an x axis. The figure gives Fx of the force acting on the car, which begins at rest at time t-O. The scale the Fx axis is set by Fxs-6.0 N. In unit-vector notation, what is t (a)t - 4.0 s and (b)t - 7.0 s.(c) what is att-9.0s? on F, (N) A t(s)
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