The 190-kg crate rests on the ground for which the coefficients of static and kinetic friction are u, = 0.5 and lk = 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 = 4 s. Hint: First determine the force needed to begin moving the crate. Express your answer to three significant figures and include the appropriate units. HA v = Value Units Submit Request Answer Provide Feedback Figure < 1 of 1 > T (N) 800 T= 400 /2 t (s) 4 АТ

The 190-kg crate rests on the ground for which the coefficients of static and kinetic friction are u, = 0.5 and lk = 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 = 4 s. Hint: First determine the force needed to begin moving the crate. Express your answer to three significant figures and include the appropriate units. HA v = Value Units Submit Request Answer Provide Feedback Figure < 1 of 1 > T (N) 800 T= 400 /2 t (s) 4 АТ

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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