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Q. A meter stick with a mass of 89.5 g is being supported at the 50.0 cm mark with a pivot that is 1.00 cm above the center of mass of the meter stick. The moment of inertia of the stick about that point is 0.00746 kgm^2. What is the period of oscillation of the system?

Q. A 61 kg astronaut floating at rest in space outside a space capsule throws his 0.50 kg hammer such that it moves with a speed of 13 m/s relative to the capsule. What happens to the astronaut?

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