Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is k = 0.26 and the blocks are released from rest, determine the change in the kinetic energy of block A as it moves from C to D, a distance of 15 m up the incline. J 37° A B 1

Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is k = 0.26 and the blocks are released from rest, determine the change in the kinetic energy of block A as it moves from C to D, a distance of 15 m up the incline. J 37° A B 1

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Description: Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. Thepulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline isHk = 0.2

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

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Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The
pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is
Hk = 0.26 and the blocks are released from rest, determine the change in the kinetic energy of block A as it moves from C
to D, a distance of 15 m up the incline.
J
37°
A
D
B

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Step 2: F.B.D of the both blocks & find equation by both blocks

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Step 3: Solving both equation and find acceleration of the block A then Speed of block A at Point D

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Step 4: Finally find change in Kinetic energy of the block A that from C to D

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