The odometer of a car reads 2000km at the start of a trip and 2400km at the end . calculate the average speed of the car in km h-1and m s-1 if the total time taken for the trip is 8hour
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initial distance = 2000 km
final distance = 2400 km
distance traversed = 2400 - 2000 = 400 km
time taken = 8 hours
speed of car = 400 / 8 = 50 km / hr
in m / s
= 50 * 5 / 18
= 25 * 5 / 9
= 13.9 m / s
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