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Mechanics, vertical motion

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    • Thread Starter

    A load of 200 kg is lifted through 50 m by a vertical cable. The load accelerates
    uniformly from rest for 20 seconds, travels at constant speed for 10 seconds then
    decelerates to rest in a further 10 seconds. Find the maximum speed attained and the tension in the cable at each stage

    Any help please?

    if you draw a speed-time graph it will be a trapezium shape. the area will be 50m ( the distance travelled ), the base will be the total journey time, the top will be the time of constant speed and the height will be the maximum speed.
    • Thread Starter

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Updated: October 9, 2016
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