krystan7104 krystan7104

27-08-2020
Physics

contestada

A car travels for an hour at a speed of 20 km/r, the next two hours at a speed of 65 km/r and the final hour at a speed of 85 km/r. What is the average speed of the car for the entire trip

Respuesta :

dagim60 dagim60

30-08-2020

Answer:

170km/hr

Explanation:

Vav=v1+v+v3.....

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