A 3.9 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 = 0. The scale on the Fx axis is set by Fx - 3.1 N. In unit-vector notation, what is Pat (a)t - 4.0s and (b)t - 7.0 s,(c) what is at t-9.0 s? F. (N) (a) Number i 12.04 (b) Number i 13.46 î + î 0 0 F n t(s) 24 6 -F ( + Ĵ 0 0 k Units k Units N/m N/m

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Chapter1: Units, Trigonometry. And Vectors
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A 3.9 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 = 0. The scale
on the Faxis is set by Fxs - 3.1 N. In unit-vector notation, what is Pat (a)t = 4.0 s and (b)t = 7.0 s,(c) what is
at t = 9.0 s?
(a) Number i 12.04
(b) Number i 13.46
(c) Number i 3.088
î
Î
0
0
0
F. (N)
F
^
9
-F
+
+
0
0
0
-t (s)
k Units
k Units
k Units
100
N/m
N/m
m/s
Transcribed Image Text:A 3.9 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 = 0. The scale on the Faxis is set by Fxs - 3.1 N. In unit-vector notation, what is Pat (a)t = 4.0 s and (b)t = 7.0 s,(c) what is at t = 9.0 s? (a) Number i 12.04 (b) Number i 13.46 (c) Number i 3.088 î Î 0 0 0 F. (N) F ^ 9 -F + + 0 0 0 -t (s) k Units k Units k Units 100 N/m N/m m/s
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