Problem 3: A 38.8-kg crate is being pushed at a constant speed by a force of 311 N at an angle of 29 degrees below the horizontal, as shown. Part (a) What is the coefficient of kinetic friction between the crate and the floor? Numeric : A numeric value is expected and not an expression. Uk = Part (b) If the force is pulling at 29 degrees above the horizontal instead of below, as shown, what is the acceleration of the crate in m/s2, assuming the coefficient of friction is the same as in the previous part? Numeric : A numeric value is expected and not an expression. a =
Problem 3: A 38.8-kg crate is being pushed at a constant speed by a force of 311 N at an angle of 29 degrees below the horizontal, as shown. Part (a) What is the coefficient of kinetic friction between the crate and the floor? Numeric : A numeric value is expected and not an expression. Uk = Part (b) If the force is pulling at 29 degrees above the horizontal instead of below, as shown, what is the acceleration of the crate in m/s2, assuming the coefficient of friction is the same as in the previous part? Numeric : A numeric value is expected and not an expression. a =
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter4: The Laws Of Motion
Section: Chapter Questions
Problem 7WUE: Calculate the normal force on a 15.0 kg block in the following circumstances: (a) The block is...
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