The 210-kg crate rests on the ground for which the coefficients ofstatic and kinetic friction are us = 0.5 and ui = 0.4, respectively.The winch delivers a horizontal towing force T to its cable at Awhich varies as shown in the graph. Originally the tension in thePart Acable is zero. (Figure 1)Determine the speed of the crate when t = 3.8 s. Hint: First determine the force needed to begin moving the crate.Express your answer to three significant figures and include the appropriate units.> View Available Hint(s)HAv =ValueUnitsSubmitFigure< 1 of 1>Provide FeedbackT (N)800T= 400 1/2t (s)

The 210-kg crate rests on the ground for which the coefficients of static and kinetic friction are u, = 0.5 and uk = 0.4, respectively. The winch delivers a horizontal towing force T to its cable at A which varies as shown in the graph. Originally the tension in the cable is zero. (Figure 1) Part A Determine the speed of the crate when t = 3.8 s. Hint: First determine the force needed to begin moving the crate. Express your answer to three significant figures and include the appropriate units. • View Available Hint(s) HẢ ? Value Units Submit Figure < 1 of 1> Provide Feedback T (N) 800 T = 400 /2 (s) 4 AT

The 210-kg crate rests on the ground for which the coefficients of static and kinetic friction are u, = 0.5 and uk = 0.4, respectively. The winch delivers a horizontal towing force T to its cable at A which varies as shown in the graph. Originally the tension in the cable is zero. (Figure 1) Part A Determine the speed of the crate when t = 3.8 s. Hint: First determine the force needed to begin moving the crate. Express your answer to three significant figures and include the appropriate units. • View Available Hint(s) HẢ ? Value Units Submit Figure < 1 of 1> Provide Feedback T (N) 800 T = 400 /2 (s) 4 AT

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

The 210-kg crate rests on the ground for which the coefficients of
static and kinetic friction are us = 0.5 and ui = 0.4, respectively.
The winch delivers a horizontal towing force T to its cable at A
which varies as shown in the graph. Originally the tension in the
Part A
cable is zero. (Figure 1)
Determine the speed of the crate when t = 3.8 s. Hint: First determine the force needed to begin moving the crate.
Express your answer to three significant figures and include the appropriate units.
> View Available Hint(s)
HA
v =
Value
Units
Submit
Figure
< 1 of 1
>
Provide Feedback
T (N)
800
T= 400 1/2
t (s)

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I Review The 250-kg crate rests on the ground for which the coefficients of static and kinetic friction are ug = 0.5 and uk = 0.4, respectively. The winch delivers a horizontal towing force T to its cable at A which varies as shown in the graph. Originally the tension in the cable is zero. (Figure 1) Part A Determine the speed of the crate when t = 3.9 s. Hint: First determine the force needed to begin moving the crate. Figure Express your answer to three significant figures and include the appropriate units. • View Available Hint(s) T(N) ? 800 T= 400 2 Value Units v = I(s) 4