Answer to Question #15712 in Mechanics | Relativity for jaz dom
a cart starts from rest and accelerates at 4.0 m/s for 5.o s and then decelerates at a rate of 2.0 m/s for 4.0s. what is the final speed of the car?
1
2012-10-03T12:08:40-0400
The final speed of the car is
S = 4.0[m/s²]*5.0[s] - 2.0[m/s²]*4.0[s] = 12[m/s].
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