An 11 -kg bicycle is moving with a linear speed of 7.5 m/s. Each wheel can be modeled as a thin hoop with a mass of 1.3 kg and a diameter of 70 cm. The bicycle is stopped in 4.5 s by the action of brake pads that squeeze the wheels and slow them down. The coefficient of friction between the brake pads and a wheel is 0.90. There are four brake pads altogether; assume they apply equal magnitude normal forces on the wheels. What is the normal force applied to a wheel by one of the brake pads?
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