Two blocks A (Wa=12 N) and B (We=20 N) are connected by very light string that passes over a frictionless pulley (as shown in Figure). Block B rest on top of a horizontal tabletop and has a coefficient of kinetic friction against between of 0.15. Block A is suspended on the other end and it doesnot hit the edge of the tabletop. When the system is released from rest, block A descends to 75 cm. 20 N 12 N a) What is the total work done on the system? b) Using work-energy theorem, what is the speed of each blocks as block A descends to 75 cm?
Two blocks A (Wa=12 N) and B (We=20 N) are connected by very light string that passes over a frictionless pulley (as shown in Figure). Block B rest on top of a horizontal tabletop and has a coefficient of kinetic friction against between of 0.15. Block A is suspended on the other end and it doesnot hit the edge of the tabletop. When the system is released from rest, block A descends to 75 cm. 20 N 12 N a) What is the total work done on the system? b) Using work-energy theorem, what is the speed of each blocks as block A descends to 75 cm?
College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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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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![Two blocks A (WA=12 N) and B (We=20 N) are connected by very
light string that passes over a frictionless pulley (as shown in
Figure). Block B rest on top of a horizontal tabletop and has a
coefficient of kinetic friction against between of 0.15. Block A is
suspended on the other end and it doesnot hit the edge of the
tabletop. When the system is released from rest, block A
20 N
12 N
descends to 75 cm.
a) What is the total work done on the system?
b) Using work-energy theorem, what is the speed of each blocks as block A descends to 75
cm?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F45d8659c-cf80-45ce-8683-b9b9a7d2f7ab%2Fb6149354-852f-40e2-9a4b-cb217c727c08%2F45i1pj_processed.png&w=3840&q=75)
Transcribed Image Text:Two blocks A (WA=12 N) and B (We=20 N) are connected by very
light string that passes over a frictionless pulley (as shown in
Figure). Block B rest on top of a horizontal tabletop and has a
coefficient of kinetic friction against between of 0.15. Block A is
suspended on the other end and it doesnot hit the edge of the
tabletop. When the system is released from rest, block A
20 N
12 N
descends to 75 cm.
a) What is the total work done on the system?
b) Using work-energy theorem, what is the speed of each blocks as block A descends to 75
cm?
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