8. Consider the system shown in figure. Block A weighs 45.0 N and block B weighs 25.0 N. Once block B is set into downward motion, it descends at a constant speed. (a) Calculate the coefficient of kinetic friction between block A and the tabletop. (b) A cat, also of weight 45.0 N, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration (magnitude and direction)? -2.13 m/s^2 -4.56 m/s^2 -6.78 m/s^2 -8.45 m/s^2 No Answer A

8. Consider the system shown in figure. Block A weighs 45.0 N and block B weighs 25.0 N. Once block B is set into downward motion, it descends at a constant speed. (a) Calculate the coefficient of kinetic friction between block A and the tabletop. (b) A cat, also of weight 45.0 N, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration (magnitude and direction)? -2.13 m/s^2 -4.56 m/s^2 -6.78 m/s^2 -8.45 m/s^2 No Answer A

Name: 8. Consider the system shown in figure. Block A weighs 45.0 N and blo
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Description: 8. Consider the system shown in figure. Block A weighs 45.0 N and blockB weighs 25.0 N. Once block B is set into downward motion, it descends ata constant speed. (a) Calculate the coefficient of kinetic frictionbetween block A and the tabletop. (b)

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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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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows:

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Question

8. Consider the system shown in figure. Block A weighs 45.0 N and block
B weighs 25.0 N. Once block B is set into downward motion, it descends at
a constant speed. (a) Calculate the coefficient of kinetic friction
between block A and the tabletop. (b) A cat, also of weight 45.0 N,
falls asleep on top of block A. If block B is now set into
downward motion, what is its acceleration (magnitude and direction)?
O
-2.13
m/s^2
-4.56
m/s^2
-6.78
m/s^2
O -8.45 m/s^2
O No Answer
A
F

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