The odometer of a car reads 2000 kilometre at the start of a trip and at 2400 km at the end of the trip. If the trip took 8 hours , Calculate the average speed of the car in kilometre per hour and metre per second per hour ?
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Explanation:
Given :
Initial odometer reading=2000km
Final odometer reading=2400km
Total distance= Final distance- Initial distance
=2400-200=400km
Total time=8h
Average speed =?
Formula to be used :
Average speed= Total Distance/Total time
Average speed in Km/hr:
Average speed=400/8
=50 km/hr
Average Speed in m/s:
1km/hr=5/18 m/s
∴50km/hr=50x5/18=250/18=13.88m/s
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