The odometer of a car reads 2000 km at the star
of a trip and 2400 km at the end of the trip. If the
trip took 8 h, calculate the average speed of the
car in km h-1 and ms-1.
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ODOMETER is an instrument for measuring the distance travelled by a wheeled vehicle.
Distance travelled = 2400-2000
=400kms
Time taken = 8hrs
avg speed = total distance travelled
total time taken
= 400km/8hrs
= 50kmph
= 50×5/18 m/s
=125/9
=13.89m/sec
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