henbry7152 henbry7152

10-01-2018
Physics

contestada

A car accelerates from rest for 5 seconds until it reaches a speed of 20 m/s. what is the car's acceleration in meters per second per second?

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jennyli013 jennyli013

10-01-2018

since it starts from rest, the initial velocity is 0 m/s. final velocity is 20 m/s.
a=Vfinal-Vinitial/t
a=20m/s-0m/s/5s
a=4 m/s^2

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