### Assume that net horizontal force is due to rolling friction

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Q. Two bicycle tires are set rolling with the same initial speed of 3.40 along a long, straight road, and the distance each travels before its speed is reduced by half is measured. One tire is inflated to a pressure of 40 and goes a distance of 18.0 ; the other is at 105 and goes a distance of 93.0 . Assume that the net horizontal force is due to rolling friction only and take the free-fall acceleration to be = 9.80 .What is the coefficient of rolling friction for the tire under low pressure?

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