Problem 4: A box m 56 kg is being pulled by a constant force F =147 N at an angle of 0 = 42 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(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 5.9 m? Numeric : A numeric value is expected and not an expression. W = Part (c) What is the speed of the box at d = 5.9 m if the surface is frictionless? Numeric : A numeric value is expected and not an expression. Vd =

Problem 4: A box m 56 kg is being pulled by a constant force F =147 N at an angle of 0 = 42 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(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 5.9 m? Numeric : A numeric value is expected and not an expression. W = Part (c) What is the speed of the box at d = 5.9 m if the surface is frictionless? Numeric : A numeric value is expected and not an expression. Vd =

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter9: Energy In Nonisolated Systems

Section: Chapter Questions

Problem 28PQ

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