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March 30, 2017

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One boat tows another boat by means of a tow line, which is under a constant tension of 495 N. The boats move at a constant speed of 4.75 m/s. How much work is done by the tension in 1.10 min?

Not sure how to apply the work-energy theorem. I assume velocity needs to be calculated from given speed and change in distance.

  • Physics - ,

    You do not have to calculate velocity. They tell you what it is.

    Work = (towing force) x (distance)

    Distance = 4.75 m/s * 66 seconds = 313.5 m

    Put it all together

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