Asked by beverly
a truck goes from a stop to 60 km/hr brakes for a light and stops in a 8 seconds what is the rate of deceleration?
Answers
Answered by
Steve
the speed decreased, so
a = -60km/hr / 8s = -15/2 km/hr/s
That is, every second the speed decreased by 15/2 km/hr
a = -60km/hr / 8s = -15/2 km/hr/s
That is, every second the speed decreased by 15/2 km/hr
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