Mary applies a force of 71 N to push a box with an acceleration of 0.52 m/s². When she increases the pushing force to 81 N, the box's acceleration changes to 0.68 m/s². There is a constant friction force present between the floor and the box. (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box? Additional Materials Reading
Mary applies a force of 71 N to push a box with an acceleration of 0.52 m/s². When she increases the pushing force to 81 N, the box's acceleration changes to 0.68 m/s². There is a constant friction force present between the floor and the box. (a) What is the mass of the box in kilograms? kg (b) What is the coefficient of kinetic friction between the floor and the box? Additional Materials Reading
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 73PQ
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