A car is traveling at a speed of 30 m/s. The driver then applies the brakes so that the
car decelerates steadily for 3 s until the speed of the car reaches 15 m/s. Calculate the
deceleration of the car.
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a=final velocity-inital velocity/time
a=15-30/3
a= -5
as deceleration is acked it will be 5m/s
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