The odometer of a car reads 2000 km

Asked by admin @ 29/08/2021 in Physics viewed by 337 People

The odometer of a car reads 2000 km at the start of a trip and 2400 km at the end of the trip. If the trip take took 8 h, calculate the average speed of the car in km/h and m/s.

Answered by admin @ 29/08/2021

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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The odometer of a car reads 2000 km

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