A car travel with a constant velocity of 27km/h for 10 min and then decelerates for 10 min before coming to rest . Find the total distance traveled by the car.
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Solution
Initial velocity of the car=27 km/h
Time travelled=10 mint= 10/60=1/6 hours
Distance traveled=S1=27×1/6= 4.5 km
Deceleration of the car =(v-u)/t =(0-27)/(1÷6)=-162km/h^-2