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March 25, 2017

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A stone is thrown down a well at a velocity of 20m/s. If the well is 20m deep, calculate the time taken for the stone to reach the bottom of the well.

  • Engineering science - ,

    depth= vi*t-4.9t^2 where vi=-20, d=-20
    solve for t.

  • Engineering science - ,

    V=u+at 20=0+9.8t

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