The odometer of a car reads 2000 km at the start of a trip and 2800 km at the end of the trip. If the trip takes 12 hours, calculate the average speed of the car in km/hr and m/s.
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Answer:
Speed (km/hr) = 66.67 km/hr
Speed (m/s) = 1,111 m/s
Explanation:
Change in Distance = 800 km
Change in Time = 12 hrs
Speed (km/hr) = (800 km)/(12 hrs) => Speed (km/hr) = 66.67 km/hr
Speed (m/s) = (66.67 km/hr)(1000 m/km)(1/60 hr/s) => Speed (m/s) = 1,111 m/s
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