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Physics

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A stone is projected vertically upwards with velocity 40 m/s. Show that the stone will reach the point of projection with the same velocity.

  • Physics - ,

    hmax = (V^2-Vo^2)/2g.
    hmax = (0-1600)/-19.6 = 81.6 m.

    V^2 = Vo^2 + 2g*hmax.
    V^2 = 0 + 19.6*81.6 = 1600
    V = 40 m/s.

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