8. A box with mass 10 kg is sitting at rest on a horizontal floor. At time t = 0, an attached rope begins pulling the box along the floor. There is kinetic friction between the box and the floor with ug = 0.16. After the box has been pulled 2.2 meters, the system is moving at 1.5 m/s. (a) How much total work has been done on the box? (b) What is the tension in the rope?
8. A box with mass 10 kg is sitting at rest on a horizontal floor. At time t = 0, an attached rope begins pulling the box along the floor. There is kinetic friction between the box and the floor with ug = 0.16. After the box has been pulled 2.2 meters, the system is moving at 1.5 m/s. (a) How much total work has been done on the box? (b) What is the tension in the rope?
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
Chapter6: Energy Of A System
Section: Chapter Questions
Problem 3P: A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless, horizontal table...
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