Acar traveling at 37m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration

Answer

The acceleration is

to the nearest tenth

Explanation

Since the car was travelling at before it starts to decelerate, the initial velocity is

.

The final velocity is , because the car came to a stop.

The time taken is .

Using the Newton's equation of linear motion,

, we find the acceleration by substituting the known values.

This implies that,

This gives us,

We divide both sides by 15 to get,

or

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