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23 October, 10:57

A cart being pulled with 30N through a 2 m hallway over two seconds. How does it have the greatest power exerted on it

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  1. 23 October, 11:40
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    Power = 30 [watts]

    Explanation:

    Initia dа ta:

    F = force = 30[N]

    d = displacement = 2 [m]

    By definition we know that work is equal to the product of force by the distance displaced

    Therefore:

    W = F * d = 30 * 2

    W = 60 [J]

    And power is defined as the amount of work done in a given time interval

    time = t = 2 [sec]

    Power = W / t

    Power = 60 / 2

    Power = 30 [W]
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