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5.c. The odometer of a car reads 2000 krn at thestart of a trip and whoo km at the end of thetrip. If the trip took sh, calculate the averagespeed of the car un kmh |
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Answer» Answer: It is given that the total distance TRAVELLED by the car is 2400 km-2000 km = 400 km, that is, 400000 m and the total time taken =8 hours, that is, 8×60×60=28800seconds.. AVERAGE speed in km/hr = total distance/total time = 400/8 = 50 km/hr. Average speed in m/s = total distance/total time = 400000/28800 = 13.89 m/s. |
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