A small 380-gram ball on the end of a thin, light rod is rotated in a horizontal circle of radius 0.70 m A) Calculate the moment of inertia of the ball about the center of the circle. B) Calculate the torque needed to keep the ball rotating at constant angular velocity if air resistance exerts a force of 0.020 N on the ball. Ignore air resistance on the rod and its moment of inertia.
A small 380-gram ball on the end of a thin, light rod is rotated in a horizontal circle of radius 0.70 m A) Calculate the moment of inertia of the ball about the center of the circle. B) Calculate the torque needed to keep the ball rotating at constant angular velocity if air resistance exerts a force of 0.020 N on the ball. Ignore air resistance on the rod and its moment of inertia.
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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Please answer a and b:
A small 380-gram ball on the end of a thin, light rod is rotated in a horizontal circle of radius 0.70 m
A) Calculate the moment of inertia of the ball about the center of the circle.
B) Calculate the torque needed to keep the ball rotating at constant
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