Question

A car traveling at 15 m/s starts to decelerate steadily. it comes to a complete stop in 10 seconds. what is it's it's acceleration

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Answer 1

Vi=15m/s

Vf=0

t=10sec

a=?

a=Vf-vi/t

a=0-15/10

a= -15/10

a= -1.5m/s^2