16. Two hoops, starting from rest, roll down identical inclined planes. The work done by nonconservative forces, such as air resistance, is zero (Wnc = 0 J). Both have the same mass M, but, as the drawing shows, one hoop has twice the radius of the other. The moment of inertia for each hoop is I = Mr, where r is its radius. Which hoop, if either, has the greater total kinetic energy (translational plus rotational) at the bottom of the incline? (a) The larger hoop (b) The smaller hoop (c) Both have the same total kinetic energy. Radius = R Mass = M Radius = R Mass - M
16. Two hoops, starting from rest, roll down identical inclined planes. The work done by nonconservative forces, such as air resistance, is zero (Wnc = 0 J). Both have the same mass M, but, as the drawing shows, one hoop has twice the radius of the other. The moment of inertia for each hoop is I = Mr, where r is its radius. Which hoop, if either, has the greater total kinetic energy (translational plus rotational) at the bottom of the incline? (a) The larger hoop (b) The smaller hoop (c) Both have the same total kinetic energy. Radius = R Mass = M Radius = R Mass - 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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Transcribed Image Text:16. Two hoops, starting from rest, roll down identical inclined planes.
The work done by nonconservative forces, such as air resistance, is zero
(Wnc = 0 J). Both have the same mass M, but, as the drawing shows, one
hoop has twice the radius of the other. The moment of inertia for each
hoop is I = Mr, where r is its radius. Which hoop, if either, has the
greater total kinetic energy (translational plus rotational) at the bottom of
the incline? (a) The larger hoop (b) The smaller hoop (c) Both have the
same total kinetic energy.
Radius = R
Mass = M
Radius = R
Mass - M
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