Ex.8. A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100N parallel to the incline, which makes an angle of 20.0° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00m. (a) How much work is done by gravity? (b) How much energy is lost due to friction? (c) He uch work ic doney th 10ON force Wbatis the chengein kinetic eergy of the crate? (e) What is the speed of the crate after being pulled 5.00m? 5.00 m O = 110° 70° 200 20° F (a) (b)

Ex.8. A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling force is 100N parallel to the incline, which makes an angle of 20.0° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.00m. (a) How much work is done by gravity? (b) How much energy is lost due to friction? (c) He uch work ic doney th 10ON force Wbatis the chengein kinetic eergy of the crate? (e) What is the speed of the crate after being pulled 5.00m? 5.00 m O = 110° 70° 200 20° F (a) (b)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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