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A 44.3 kg cart travels at constant speed, and its four wheels are rolling without slipping....

A 44.3 kg cart travels at constant speed, and its four wheels are rolling without slipping. The wheels are disks (radius 0.88 m, mass 8.69 kg), and they turn at constant ω = 40.2 rad/s. Find the total kinetic energy of the cart. NOTE: first, you must find the speed of the cart!

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