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You have decided to try longboarding. Before you do, you want to know more about the longboard. Each of the four wheels has a diameter of 70 mm, and a mass of m = 0.50 kg. The board has a mass M = 5.0 kg. While it isn't completely accurate (since there are bearings at the hub of the wheel), you choose to approximate each wheel as a solid cylinder.
a. What is the total moment of inertia of all four wheels as they are rotating about their central axis of rotation? One wheel is shown on the right.
b. What is the total kinetic energy of the longboard when it is moving at a speed of 5.0 m/s?
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