(b) We set the x and y axes parallel and perpendicular to the incline. From Newton's second law, we know that Σ Ε = may = 0, and we have n = (95.1 N) cos ° so n = N. Substituting for the coefficient of friction and the normal force, fk=Mkn Therefore, for the change in internal energy we have AE int = fkd N. N)( m = J.
(b) We set the x and y axes parallel and perpendicular to the incline. From Newton's second law, we know that Σ Ε = may = 0, and we have n = (95.1 N) cos ° so n = N. Substituting for the coefficient of friction and the normal force, fk=Mkn Therefore, for the change in internal energy we have AE int = fkd N. N)( m = J.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 81AP: Repeat the preceding problem, but this time, suppose that the work done by air resistance cannot be...
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