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23 Nov 2019
A 900-N crate is being pushed across a level floor at a constant speed by a force of 250 N at an angle of 20.0° below the horizontal. <BR><BR>(a) What is the coefficient of kinetic friction between the crate and the floor?_________________.<BR><BR>(b) If the 250 N force is instead pulling the block at an angle of 20.0° above the horizontal as shown in the figure, what will be the acceleration of the crate? Assume that the coefficient of friction is the same as that found in part (a)._____________________<BR>
A 900-N crate is being pushed across a level floor at a constant speed by a force of 250 N at an angle of 20.0° below the horizontal. <BR><BR>(a) What is the coefficient of kinetic friction between the crate and the floor?_________________.<BR><BR>(b) If the 250 N force is instead pulling the block at an angle of 20.0° above the horizontal as shown in the figure, what will be the acceleration of the crate? Assume that the coefficient of friction is the same as that found in part (a)._____________________<BR>
27 Jun 2023
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Tod ThielLv2
7 Mar 2019
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