A car changes its velocity from 85km/hr to 20km/hr in 4.5 seconds.
Q.1) Find the car's average acceleration
Q.2) How long will it take for the car to stop if it continues to break at the same rate?
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Explanation:
1) a= v-u/t
= 20-80/4.5
= -60/4.5 =-13.33 m/s²
sorry didnot know the 2nd part
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