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March 30, 2017

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An object starts from rest and accelerates uniformly down an incline. If the object reaches a speed of 40 m/s in 5 seconds, what is its average speed?

  • physics - ,

    If the acceleration is uniform, wouldn't the average speed be

    avgspeed=(Vf+Vi)/2 ?

  • physics - ,

    8 m/s

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