Mary applies a force of 75 N to push a box with an acceleration of 0.43 m/s?. When she increases the pushing force to 85 N, the box's acceleration changes to 0.68 m/s?. There is a constant friction force present between the floor and the bo (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?

Mary applies a force of 75 N to push a box with an acceleration of 0.43 m/s?. When she increases the pushing force to 85 N, the box's acceleration changes to 0.68 m/s?. There is a constant friction force present between the floor and the bo (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?

Name: Mary applies a force of 75 N to push a box with an acceleration of 0.
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Description: Mary applies a force of 75 N to push a box with an acceleration of 0.43 m/s?. When she increases the pushing force to85 N, the box's acceleration changes to 0.68 m/s?. There is a constant friction force present between the floor and the box.(a) What

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 63PQ: A 75.0-g arrow, fired at a speed of 110 m/s to the left, impacts a tree, which it penetrates to a...

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