(a) If the yo-yo’s moment of inertia is increased, does the final linear speed increase, decrease, or stay the same? Explain. (b) Find the final linear speed for the case I = 3.5 * 10-5kg · m2. [Answer: (a) Increasing the moment of inertiaincreases the rotational kinetic energy, and leaves less energy for the translational kinetic energy. As a result, the linearspeed decreases. (b) v = 0.84 m>s]
(a) If the yo-yo’s moment of inertia is increased, does the final linear speed increase, decrease, or stay the same? Explain. (b) Find the final linear speed for the case I = 3.5 * 10-5kg · m2. [Answer: (a) Increasing the moment of inertiaincreases the rotational kinetic energy, and leaves less energy for the translational kinetic energy. As a result, the linearspeed decreases. (b) v = 0.84 m>s]
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter10: Rotational Motion
Section: Chapter Questions
Problem 18P: Rigid rods of negligible mass lying along the y axis connect three particles (Fig. P10.18). The...
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(a) If the yo-yo’s moment of inertia is increased, does the final linear speed increase, decrease, or stay the same? Explain. (b) Find the final linear speed for the case I = 3.5 * 10-5
kg · m2
. [Answer: (a) Increasing the moment of inertia
increases the rotational kinetic energy, and leaves less energy for the translational kinetic energy. As a result, the linear
speed decreases. (b) v = 0.84 m>s]
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