*12–196. The motor at C pulls in the cable with anacceleration ac = (3r²) m/s², where t is in seconds. Themotor at D draws in its cable at a, = 5 m/s?. If both motorsstart at the same instant from rest when d = 3 m, determine(a) the time needed for d = 0, and (b) the velocities ofblocks A and B when this occurs.

Write the given data: Draw the free body diagram: Where point C represents the movement of the…

Answered: *12–196. The motor at C pulls in the…

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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A train is moving horizontally to the right with the speed of VT=60 mi/h. Meanwhile, a car is traveling toward the train with the speed of VC=30 mi/h and a 30deg angle with respect to horizontal direction. Select the correct expression of the velocity vector of the train relative to the car ___________mi/h A. (60-30cos30°)-30sin30° B. (60-30cos30°) +30sin30° C. (60+30cos30°)-30sin30° D. (30cos30°-60) +30sin30°

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