A crate of mass 20.0 kg is pushed up a rough incline, which makes an angle of 25° with the horizontal, with an initial speed of 1.50 m/s. The pushing force is a horizontal force of magnitude 350 N. The coefficient of kinetic friction is 0.400, and the crate is pushed 5.00 m. How much work is done by gravity? How much mechanical energy is lost due to friction? How much work is done by the 350-N force? d. a. b. C. What is the change in kinetic energy of the crate? (Use work-energy theorem) What is the speed of the crate after being pulled 5.00 m?
A crate of mass 20.0 kg is pushed up a rough incline, which makes an angle of 25° with the horizontal, with an initial speed of 1.50 m/s. The pushing force is a horizontal force of magnitude 350 N. The coefficient of kinetic friction is 0.400, and the crate is pushed 5.00 m. How much work is done by gravity? How much mechanical energy is lost due to friction? How much work is done by the 350-N force? d. a. b. C. What is the change in kinetic energy of the crate? (Use work-energy theorem) What is the speed of the crate after being pulled 5.00 m?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 100CP: The surface of the preceding problem is modified so that the coefficient of kinetic friction is...
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