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3. An ice skater spins with arms fully extended. If she pulls her arms closer to her body then (a) the kinetic energy increases (b) the moment of inertia decreases (c) the angular momentum remains constant (d) all of these Solution/Explanation: 4. Juan Tamad is pedalling a bicycle at 10 m/s. Suppose the diameter of the bicycle wheels is 132 cm. What is the angular speed of the wheels? (a) 7.5 rad/s b) 13 rad/s c) 10 rad/s d) 15 rad/s Solution/Explanation:

3. An ice skater spins with arms fully extended. If she pulls her arms closer to her body then (a) the kinetic energy increases (b) the moment of inertia decreases (c) the angular momentum remains constant (d) all of these Solution/Explanation: 4. Juan Tamad is pedalling a bicycle at 10 m/s. Suppose the diameter of the bicycle wheels is 132 cm. What is the angular speed of the wheels? (a) 7.5 rad/s b) 13 rad/s c) 10 rad/s d) 15 rad/s Solution/Explanation:

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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p answer 3 and 4 please

3. An ice skater spins with arms fully extended. If she pulls her arms closer to her body then (a) the kinetic energy increases (b) the moment of inertia decreases (c) the angular momentum remains constant (d) all of these Solution/Explanation: 4. Juan Tamad is pedalling a bicycle at 10 m/s. Suppose the diameter of the bicycle wheels is 132 cm. What is the angular speed of the wheels? (a) 7.5 rad/s b) 13 rad/s c) 10 rad/s d) 15 rad/s Solution/Explanation:
Transcribed Image Text:3. An ice skater spins with arms fully extended. If she pulls her arms closer to her body then (a) the kinetic energy increases (b) the moment of inertia decreases (c) the angular momentum remains constant (d) all of these Solution/Explanation: 4. Juan Tamad is pedalling a bicycle at 10 m/s. Suppose the diameter of the bicycle wheels is 132 cm. What is the angular speed of the wheels? (a) 7.5 rad/s b) 13 rad/s c) 10 rad/s d) 15 rad/s Solution/Explanation:
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