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    Physics homework help regarding energy and friction

    Yes, but surely the vertical velocity is going to be different from the diagonal velocity?
  2. D

    Physics homework help regarding energy and friction

    Homework Statement The maximum power output of a car of mass 500kg is 75kW. Up a hill of angle 11.534, its maximum (constant) speed achievable with this power is 30m/s. What is the energy dissipated by frictional forces every second, and what must the frictional force be? Homework Equations...
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