Asked by Anonymous
A car is travelling at 23.4m/s to the right when the driver puts on the brakes. The car has an acceleration of -4.50m/s^2 while the brakes are acting.
(a) How long does it take to bring the car to a stop?
(b) Calculate the displacement of the car.
(a) How long does it take to bring the car to a stop?
(b) Calculate the displacement of the car.
Answers
Answered by
Damon
v = Vi + a t
0 = 23.4 - 4.50 t
t = 23.4/4.50
x = average speed * t
= (23.4/2) t
0 = 23.4 - 4.50 t
t = 23.4/4.50
x = average speed * t
= (23.4/2) t
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