A hand pushes a 10 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction mu. From B to C the hand pushes the block with a constant force of 1 N and the block comes to a stop when it reaches point C. The distance B to C is 1 m. When the block passes point B it has kinetic energy 50 J. Using g = 10 m/s^2, find the value of mu.

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Chapter1: Units, Trigonometry. And Vectors
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A hand pushes a 10 kg block along a table from point A to point C as shown in the figure below. The table has been prepared so that the left half of the table (from A to B) is frictionless. The right half (from B to C) has a non-zero coefficient of friction mu. From B to C the hand pushes the block with a constant force of 1 N and the block comes to a stop when it reaches point C. The distance B to C is 1 m. When the block passes point B it has kinetic energy 50 J. Using g = 10 m/s^2, find the value of mu.

anwers choices:

A. 0.85

B. 0.2

C. 0.1

D. 0.52

 

İnitial position
of block
Final position
ofblock
M
P
no friction
friction
A
В
C
Transcribed Image Text:İnitial position of block Final position ofblock M P no friction friction A В C
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