When I ride my bike in still air, the air resistance exerts a force on me...

  • Thread starter Thread starter Samuel A
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Samuel A

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...proportional to the square of my spe? When I ride my bike in still air, the air resistance exerts a force on me proportional to the square of my speed. The amount of energy I use to pedal to overcome this is proportional to the product of the force of the air resistance and the distance I travel. How many times more energy do I use to bike for one hour at 15 mph instead of for one hour at 5 mph?
 
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