a) What is the acceleration of the box? b) How much work is done by the frictional force on the crate? c) What is the speed of the crate after being pulled 4.0 m?
a) What is the acceleration of the box? b) How much work is done by the frictional force on the crate? c) What is the speed of the crate after being pulled 4.0 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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A crate of mass 12.0 kg is pushed up a rough incline with an initial speed of 2.5 m/s the pushing force is
150 N parallel to the incline, which makes an angle of 25° with the horizontal. The coefficient of kinetic
friction is 0.4, and the crate is pushed 4.0 m.
a) What is the acceleration of the box?
b) How much work is done by the frictional force on the crate?
c) What is the speed of the crate after being pulled 4.0 m?
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