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Unformatted text preview: m = 150g l = 1.00m x v = ? 2 3. A baseball catcher sits on a rotating stool. He reaches out 85.0cm to catch a 40.0m/s fastball. After catching the ball he spins at a rate of 60rpm. His mass is 80.0kg and the mass of the ball is 150g. Find the rotational inertia of the catcher and the stool. 85.0cm 4. A 1.50kg - 90.0cm long baseball bat rests on the ground in such a way that only the ends are actually in contact with the ground. The center of mass is 60.0cm from the skinny end. Find the size of the forces that the ground exerts on the bat. 3 5. Why is it easier to keep your balance on a moving bicycle than on a bicycle at rest ? Be sure that your answer references key definitions and laws by name. Use sketches if appropriate....
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This note was uploaded on 03/11/2012 for the course PHYSICS 204A taught by Professor Kagan during the Fall '09 term at CSU Chico.
- Fall '09