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Speed

A car travels...

Question

A car travels a distance of 15 km in 20min find the speed of the car in (a)km h-1 (b)m s-1

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Solution

Dear student

D = 15 Km = 15000 m
t = 20 min = 0.3 hr = 1200 sec

speed = distance / time = 15 / 0.3 = 50 km/h
speed = 15000 / 1200 = 12.5 m/s

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