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1D03 CAPA SET 11 Â¿Â¯ - Physics 1D03

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Unformatted text preview: Physics 1D03 (Fall 2008), set #11 Main menu · Reload · Logout Current server time is Wednesday, December 10, 2008 at 16:31 Help Units · Metric Prefixes · Constants namsm Set 11, Due Mon, Nov 24, 2008 at 13:00 1 . [1 point, 10 tries] A car tire is 64.8 cm in diameter. The car is travelling at a speed of 19.5 m/s. What is the tire's rotation frequency, in rpm? (Do not enter a unit with your answer.) Answer: 5.75e+02 2 . [1 point, 10 tries] What is the speed of a point at the top edge of the tire? Answer: 3.90e+01 m/s 3 . [1 point, 10 tries] What is the speed of a point at the bottom edge of the tire? Answer: 0.0 m/s 4 . [1 point, 10 tries] A 7.96 cm diameter, 500.0 g sphere is released from rest at the top of a 2.50 m long, 27.0° incline. It rolls, without slipping, to the bottom. What is the sphere's angular velocity at the bottom of the incline? Answer: 1.00e+02 rad/s 5 . [1 point, 10 tries] What fraction of its kinetic energy is rotational? (Enter your answer in decimal form, do not include a What fraction of its kinetic energy is rotational?...
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This note was uploaded on 04/04/2011 for the course PHYSICS 1D03 taught by Professor N. mckay during the Spring '08 term at McMaster University.

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1D03 CAPA SET 11 Â¿Â¯ - Physics 1D03

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