Mary applies a force of 72 N to push a box with an acceleration of 0.41 m/s?. When she increases the pushing force to 77 N, the box's acceleration changes to 0.71 m/s?. 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?
Mary applies a force of 72 N to push a box with an acceleration of 0.41 m/s?. When she increases the pushing force to 77 N, the box's acceleration changes to 0.71 m/s?. 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?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 64P: If a single constant force acts on an object that moves on a straight line, the objects velocity is...
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I need help with this 2 part question. Part (a) and (b).
![Mary applies a force of 72 N to push a box with an acceleration of 0.41 m/s2. When she increases the pushing force to 77 N, the box's acceleration changes to 0.71 m/s?.
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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F92a337af-3ccc-4a63-880e-df12083b4b1b%2Fc71dacda-249c-47af-9dc3-20874bda7c8d%2Fr31tb24_processed.png&w=3840&q=75)
Transcribed Image Text:Mary applies a force of 72 N to push a box with an acceleration of 0.41 m/s2. When she increases the pushing force to 77 N, the box's acceleration changes to 0.71 m/s?.
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?
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