haileytaylor22 haileytaylor22

22-09-2020
Physics

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A car driving at 35 m/s hits the brakes and comes to a stop after 7 seconds. What is the acceleration of the car?

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Alvinabatool Alvinabatool

22-09-2020

Answer:

Vi=35m/s

Vf=0

t=7seconds

a=?

a=Vf-Vi/t

a=0-35/7

a= -35/7

a= -5m/s^2

Here -ve shows declaration.

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