# physics

why are lightweight tires preferred over lightweight frams in bicycle racing?

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why are lightweight tires preferred over lightweight frams in bicycle racing?
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why are lightweight tires preferred over lightweight frams in bicycle racing?
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The total area of contact between the tires of a racing bicycle and the road is 1.5 square inches. The bicycle and its rider weigh 171 pounds. What is the air pressure inside its tires?
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The total area of contact between the tires of a racing bicycle and the road is 1.5 square inches. The bicycle and its rider weigh 171 pounds. What is the air pressure inside its tires?
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A bicycle is racing around on a horizontal surface in a circle of radius 27 m. The force exerted by the road on the bicycle makes an angle of 16 degrees with the vertical. What is its speed?

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