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    Finding normal force from kinetic and potential energies

    A 69.2-kg skier encounters a dip in the snow's surface that has a circular cross section with radius of curvature of r = 13.2 m. If the skier's speed at point A in the figure below is 8.13 m/s, what is the normal force exerted by the snow on the skier at point B...
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    Vector and scalar magnitude problem

    Homework Statement The vector -1.90A has a magnitude of 59.1 m and points in the positive x direction. Calculate the x component of the vector A. Calculate the magnitude of the vector A. Homework Equations 3. The Attempt at a Solution I understand vectors but having a...