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IC24-WindupCar

IC24-WindupCar - A toy car is driven by a torsional spring...

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A toy car is driven by a torsional spring as shown. The drive wheel is a 750 gram solid disk 150 mm in diameter. The body of the car has a mass of 150 grams, and the mass of the front wheels may be neglected. The torsional spring exerts a moment on the drive wheel of M = k θ where k = 0.01 N-m/rad and θ is in radians. Determine the maximum speed of the car if is starts from rest with the spring wound up 8 revolutions. Assume that the rear wheel rolls without slip and that the spring disengages when θ = 0 degrees. T 1 + V g1 + V e1 + U 1-2 = T 2
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