March 29, 2017

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a car moved at 15m/s for two minutes.after which it moved at 18m/s for 45secods.calculate the average velocity of the car?

  • mechanics - ,

    Divide the total distance travelled by the total elapsed time (120 + 45 seconds). Time should be in seconds for the calculation.

    Vaverage = [(15*120)+(18*45)]/165
    = 15.82 m/s

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