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March 25, 2017

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A bicyclist is coasting straight down a hill at a constant speed. The mass of the rider and bicycle is 85.0 kg, and the hill is inclined at 19.0° with respect to the horizontal. Air resistance opposes the motion of the cyclist. Later, the bicyclist climbs the same hill at the same constant speed. How much force (directed parallel to the hill) must be applied to the bicycle in order for the bicyclist to climb the hill?

  • Physics - ,

    A bicyclist of mass 66 (including the bicycle) can coast down a 5.0 hill at a steady speed of because of air resistance.How much force must be applied to climb the hill at the same speed and same air resistance?

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