Acar accelerated from 45 m/s to 0 m/s in 10 seconds. what is the average acceleration of the car?

constant acceleration is defined as time rate change of velocity.

Answer : The average acceleration of the car is .

Solution : Given,

Initial velocity = 45 m/s

Final velocity = 0 m/s

Time = 10 seconds

Average acceleration : It is defined as the change in velocity divided by the time.

Formula used :

where,

a = average acceleration

t = time

= initial velocity

= initial velocity

Now put all the given values in this formula, we get the average acceleration.

Acceleration is in negative that means the speed of car is slowing down.

Therefore, the average acceleration of the car is .

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