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Problem 4: A box m = 67 kg is being pulled by a constant force F = 178 N at an angle of 0 = 28 degrees. The initial speed of the box is zero. y F Part (a) Write an expression for the work done by force F as the block moves a horizontal distance d. Expression : W = Select from the variables below to write your expression. Note that all variables may not be required. cos(a), cos(4), cos(0), sin(a), sin(4), sin(0), a., B, 0, d, F, g, h, j, m, P, t, tan(a), tan(4), tan(0) Part (b) How much work, in joules, was done in moving the block 5.2 m? Numeric : A numeric value is expected and not an expression. W = Part (c) What is the speed of the box at d = 5.2 m if the surface is frictionless? Numeric : A numeric value is expected and not an expression. vd =

Problem 4: A box m = 67 kg is being pulled by a constant force F = 178 N at an angle of 0 = 28 degrees. The initial speed of the box is zero. y F Part (a) Write an expression for the work done by force F as the block moves a horizontal distance d. Expression : W = Select from the variables below to write your expression. Note that all variables may not be required. cos(a), cos(4), cos(0), sin(a), sin(4), sin(0), a., B, 0, d, F, g, h, j, m, P, t, tan(a), tan(4), tan(0) Part (b) How much work, in joules, was done in moving the block 5.2 m? Numeric : A numeric value is expected and not an expression. W = Part (c) What is the speed of the box at d = 5.2 m if the surface is frictionless? Numeric : A numeric value is expected and not an expression. vd =

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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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Problem 4: A box m = 67 kg is being pulled by a constant force F = 178 N at an angle of 0 = 28 degrees. The initial speed of the box is zero. y F M Part (a) Write an expression for the work done by force F as the block moves a horizontal distance d. Expression : W = Select from the variables below to write your expression. Note that all variables may not be required. cos(a), cos(), cos(0), sin(a), sin(4), sin(0), a, ß, 0, d, F, g, h, j, m, P, t, tan(a.), tan(o), tan(0) Part (b) How much work, in joules, was done in moving the block 5.2 m? Numeric : A numeric value is expected and not an expression. W = Part (c) What is the speed of the box at d = 5.2 m if the surface is frictionless? Numeric : A numeric value is expected and not an expression. Va =
Transcribed Image Text:Problem 4: A box m = 67 kg is being pulled by a constant force F = 178 N at an angle of 0 = 28 degrees. The initial speed of the box is zero. y F M Part (a) Write an expression for the work done by force F as the block moves a horizontal distance d. Expression : W = Select from the variables below to write your expression. Note that all variables may not be required. cos(a), cos(), cos(0), sin(a), sin(4), sin(0), a, ß, 0, d, F, g, h, j, m, P, t, tan(a.), tan(o), tan(0) Part (b) How much work, in joules, was done in moving the block 5.2 m? Numeric : A numeric value is expected and not an expression. W = Part (c) What is the speed of the box at d = 5.2 m if the surface is frictionless? Numeric : A numeric value is expected and not an expression. Va =
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