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physics

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A skier is gliding along at 1.13 m/s on horizontal, frictionless snow. He suddenly starts down a 13.1° incline. His speed at the bottom is 18.8 m/s. What is the length of the incline?

  • physics - ,

    Use his change in kinetic energy to get his loss of potential energy. The equation
    g H = change in (V^2)/2
    can be used to het the height change, H.

    H and the slope angle can be used to get the length L of the incline.

    H/L = sin 13.1

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