Asked by lisa

A car rolling at 18m/s when the driver hits the breaks after 5 seconds the car has slowed down to 3m/s find the cars acceleration you most write down all given information and show all work


WHat does this acceleration tell us about the motion of the car?

Answers

Answered by Elena
v = vₒ + a•t ,
a = (v - vₒ)/t = (3 – 18)/5 = - 3 m/s².
This acceleration tells us that this is decelerated motion.
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