3. A pulley, suspended from the ceiling, has a mass of 4.50 kg and a radius of 30.0 cm. A string is wrapped around the pulley and has a 2.00-kg mass hanging, at rest, from one end. The bottom of the mass is h = 80.00-cm above the ground. What is the angular speed of the pulley when the hanging mass Solid reaches the ground? disk h m

3. A pulley, suspended from the ceiling, has a mass of 4.50 kg and a radius of 30.0 cm. A string is wrapped around the pulley and has a 2.00-kg mass hanging, at rest, from one end. The bottom of the mass is h = 80.00-cm above the ground. What is the angular speed of the pulley when the hanging mass Solid reaches the ground? disk h m

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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Suppose a yo-yo has a center shaft that has a 0.290 cm radius and that its string is being pulled. (a) If the string is stationary and the yo-yo accelerates away from it at a rate of 1.70 m/s?, what is the angular acceleration of the yo-yo in rad/s?? |rad/s² (b) What is the angular velocity in rad/s after 0.750 s if it starts from rest? rad/s (c) The outside radius of the yo-yo is 3.60 cm. What is the tangential acceleration in m/s? of a point on its edge? |m/s²
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