Part A The 190-kg crate rests on the ground for which the coefficients of static and kinetic friction are u, = 0.5 and ug = 0.4 , respectively. The winch delivers a honzontal towing force T to its cable at A which varies as shown in the graph. Originally the tension in the cable is zero. (Eigure 1) Determine the speed of the crate when t = 3.9 s Hint: First determine the force needed to begin moving the crate. Express your answer to three significant figures and include the appropriate units. ? Value Units Submit Request Answer Figure < 1 of 1 > Provide Feedback T(N) 800 T 400 A (s) AT

Part A The 190-kg crate rests on the ground for which the coefficients of static and kinetic friction are u, = 0.5 and ug = 0.4 , respectively. The winch delivers a honzontal towing force T to its cable at A which varies as shown in the graph. Originally the tension in the cable is zero. (Eigure 1) Determine the speed of the crate when t = 3.9 s Hint: First determine the force needed to begin moving the crate. Express your answer to three significant figures and include the appropriate units. ? Value Units Submit Request Answer Figure < 1 of 1 > Provide Feedback T(N) 800 T 400 A (s) AT

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Part A
The 190-kg crate rests on the ground for which the coefficients of
static and kinetic friction are u, = 0.5 and u = 0.4, respectively. The
winch delivers a horizontal towing force T to its cable at A which
Determine the speed of the crate when t = 3.9 s. Hint: First determine the force needed to begin moving the crate.
varies as shown in the graph. Originally the tension in the cable is
zero. (Figure 1)
Express your answer to three significant figures and include the appropriate units.
v =
Value
Units
Submit
Request Answer
Figure
< 1 of 1 >
Provide Feedback
T (N)
800
T- 400 2
(s)

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