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?
1 answer:
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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