a car moves with a uniform velocity of 72 km h-1 for 15 second on a national highway over a straight stretch of road (a) what is its accleration (b) calculated the distance travelled
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(a) Since the car is moving with uniform velocity so the acceleration is zero.
(b) Now, distance travelled = speed × time taken.
Speed = 72 km/hr and time = 15 sec = 0.0041 hr (approx).
Therefore distance travelled = 72 km/hr × 0.0041 hr = 0.3 km (approx).
(b) Now, distance travelled = speed × time taken.
Speed = 72 km/hr and time = 15 sec = 0.0041 hr (approx).
Therefore distance travelled = 72 km/hr × 0.0041 hr = 0.3 km (approx).
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