Acar is traveling at 10 m/s starts to decelerate steadily. it comes to a complete stop in 20 seconds what is it’s acceleration

-0.5 m/s

Explanation:

given:

u (initial velocity) = 10 m/s

v (Final velocity) = 0 m/s (because it is given that it comes to a complete stop)

t (time taken) = 20 s

therefore,

acceleration = v - u / t

a = 0 - 10 / 20  

a = -10 / 20

a =  -1/2

a = -0.5

There is a acceleration of -0.5 m/s

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