physics

At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at rest, slides without friction, and decends through a vertical height of 2.40 m, what is her speed at the bottom of the slide?

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  1. The use of conservation of energy approach will tell you right away that
    V = sqrt(2 g H)

    loss of potential energy = M g H = gain in kinetic energy = (1/2) M V^2
    Therefore 2gH = V^2

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