3. A crate of mass 10.0 kg is puiled up a rougn incine with an initial speed of 1.5 m/s the pulling force is 100 N paraliel to the incline, which makes an angle of 20 with the horizontal. The coefficient of kinetic friction Is 04, and the crate is puiled 5.0 m (a) How much work is done by the gravitational force on the crate? (b) Determine the increase in internal energy of the crate-incline system owing to friction. (c) How much work is done by the 100-N force on the crate? (e) What is the speed of the crate after being puiled S.0 m?

3. A crate of mass 10.0 kg is puiled up a rougn incine with an initial speed of 1.5 m/s the pulling force is 100 N paraliel to the incline, which makes an angle of 20 with the horizontal. The coefficient of kinetic friction Is 04, and the crate is puiled 5.0 m (a) How much work is done by the gravitational force on the crate? (b) Determine the increase in internal energy of the crate-incline system owing to friction. (c) How much work is done by the 100-N force on the crate? (e) What is the speed of the crate after being puiled S.0 m?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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