A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.865 m/s encounters a rough horizontal surface of length € = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.352 and he exerts a constant horizontal force of 276 N on the crate. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. magnitude N direction --Select--- (b) Find the net work done on the crate while it is on the rough surface. J (c) Find the speed of the crate when it reaches the end of the rough surface. m/s

College Physics
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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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A man pushing a crate of mass m = 92.0 kg at a speed of v=0.865 m/s encounters a rough horizontal surface of length
l=
0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.352 and he
exerts a constant horizontal force of 276 N on the crate.
m
(a) Find the magnitude and direction of the net force on the crate while it is on the rough surface.
magnitude
N
direction ---Select---
(b) Find the net work done on the crate while it is on the rough surface.
J
(c) Find the speed of the crate when it reaches the end of the rough surface.
m/s
Transcribed Image Text:A man pushing a crate of mass m = 92.0 kg at a speed of v=0.865 m/s encounters a rough horizontal surface of length l= 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.352 and he exerts a constant horizontal force of 276 N on the crate. m (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. magnitude N direction ---Select--- (b) Find the net work done on the crate while it is on the rough surface. J (c) Find the speed of the crate when it reaches the end of the rough surface. m/s
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