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

Question

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

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Khánh Gia 3 months 2021-08-01T14:08:59+00:00 1 Answers 5 views 0

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  1. thanhcong
    0
    2021-08-01T14:10:23+00:00
    Reply

    Answer:

    170km/hr

    Explanation:

    Vav=v1+v+v3…..

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