sabito25 sabito25

11-06-2020
Physics

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a car travels 60 km in 2 hours 84 km the next 1 hour and then 68 km in 8.9 hours before reaching its destination what was the cars average speed in km / h

Respuesta :

MathPhys MathPhys

11-06-2020

Answer:

17.8 km/hr

Explanation:

Average speed = distance / time

The total distance traveled is 60 km + 84 km + 68 km = 212 km.

The total time is 2 hr + 1 hr + 8.9 hr = 11.9 hr.

The average speed is 212 km / 11.9 hr = 17.8 km/hr

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