Is the motion simple harmonic

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Q. A 65 kg woman stands at the rim of a horizontal turntable with a moment of inertia of 1.5x10 to the 3rd kgm squared and a radius of 2m. The system is at first at rest and the turntable is free to rotate about a frictionless vertical axle during its center. The woman then starts walking clockwise around the rim at .75 rad/s. in what direction and with what angular speed does the turntable rotate.

Q. A ball dropped from a height of 4 m makes a perfectly elastic collision with the ground. Assuming no energy is lost due to air resistance, show that the ensuing motion is periodic and find out the period of the motion. Is the motion simple harmonic? Describe.

Reference no: EM1372566

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