5) The center O of the spool starts from rest and acquires a velocity of 1.2 m/s up the incline withconstant acceleration in a distance of s = 2.4 m under the action of a steady pull, P applied topoint A of the cable. The cable is wrapped securely around the hub of the spool, and the spoolrolls without slipping. For the s=2.4 m position shown, compute the acceleration of point A on thecable and point B on the spool.yB250 mm100 mm0s=2.4 mAnswers:Aā₁ = 0.18 +2.30 m/s²ā¸ = 0.6î – 5.76ĵ m/s²XP15°

Answered: Image /qna-images/answer/75a988df-607b-489c-843b-5483143da2d8.jpg

Answered: 5) The center O of the spool starts…

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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The attached wheels of radii r = 0.2 m and R = 0.5 m roll without slipping on the fixed plate P. A cord is securely wrapped around the large wheel and, at the instant represented, the free end of the cord has a velocity v = 2.1 m/s and an acceleration a = 2 m/s², both to the right. Calculate the magnitude of the accelerations of points B, C, and D on the wheels for this instant. (aB = 5.27 m/s², ac 4.58 m/s², ap = 1.8 m/s²) = v, a A R r B 0 P D C
the pinion A of the hoist motor drives gear B, which is attached to the hoisting drum. The load L is lifted from its rest position and acquires an upward velocity of 4ft/sec in a vertical rise of 5 ft with constant accelerations. As the load passes the position, compute the acceleration of point 6 on the cable in contract with the drum.
An oil pumping rig is shown in the figure. The flexible pump rod D is fastened to the sector at E and is always vertical as it enters the fitting below D. The link AB causes the beam BCE to oscillate as the weighted crank OA revolves. If OA has a constant clockwise speed of 1.0 rev every 3.7 s, determine the acceleration ap (positive if up, negative if down) of the pump rod D when the beam and the crank OA are both in the horizontal position shown. 3.2 m 3.25 m E 0.91 m 1.67 m 0.5 m Answer: ap = i 0.364 m/s2
The x- and y-motions of guides A and B with right- angle slots control the curvilinear motion of the con- necting pin P, which slides in both slots. For a short interval, the motions are governed by x = 20 + and y = 15 - , where x and y are in millimeters and t is in seconds. Calculate the magnitudes of the velocity v and acceleration a of the pin for t = 2 s. Sketch the direction of the path and indicate its cur- vature for this instant. B y A
The ring of a diameter 1.2 m is pinned to the cart, as shown. At the instant shown, the cart has a velocity v to the right which is increasing at 1.6 m/s per second, and the ring has a clockwise angular velocity w = - 3.2 rad/s which is decreasing at 1.6 rad/s per second, and 0 = 35°. Calculate the magnitude of the accelerations of points B and C on the ring for this instant. (að = 11.82 m/s², ас 10.55 m/s²) = v, a A Ꮎ ω C B
The small collar A is sliding on the bent bar with speed u = 2m/s relative to the bar as shown below. The bar is rotating with angular velocity w = 2rad/s about fixed pivot B. L=3m, d=1m. Compute the magnitude of the acceleration of the collar, B L IA d -x
The elliptical exercise machine has fixed axes of rotation at points A and E. At the instant shown, the flywheel AB has a constant angular velocity of 6 rad/s in the clockwise direction. Determine a) the angular velocity and acceleration of the bar BD, b) the angular velocity and acceleration of the bar DEF, c) and find the acceleration at D. Draw free body diagrams for all 3 systems.
The x- and y-motions of guides A and B with right-angle slots control the curvilinear motion of the connecting pin P, which slides in both slots. For a short interval, the motions are governed by x - 12+0.55t² and y-16-0.57t³, where x and y are in millimeters and tis in seconds. Calculate the magnitudes of the velocity v and acceleration a of the pin for t-2.5 s. Sketch the direction of the path and indicate its curvature for this instant. B Part 1 A 0000 Correct Calculate the x- and y-components of the velocity. Answers: Vx mm/s Vy- mm/s 2.75 -10.6785
correct answer and solution pls
Q4: The pinion A of the hoist motor drives gear B which is attached to the hoisting drum. The load L is lifted from its rest position and acquires an upward velocity of (1m/sec) in a vertical rise of (1.5 m) with constant acceleration. As the load passes this position, compute (a) the acceleration of point C on the cable in contact with the drum and (b) the angular velocity and angular acceleration of the pinion A. See figure (4) 1 m 1.5 m 0.4 m A 1 m/sec 1.5 m
The x- and y-motions of guides A and B with right-angle slots control the curvilinear motion of the connecting pin P, which slides in both slots. For a short interval, the motions are governed by x-12 +0.55+² and y-16-0.57t³, where x and y are in millimeters and tis in seconds. Calculate the magnitudes of the velocity v and acceleration a of the pin for t-2.5 s. Sketch the direction of the path and indicate its curvature for this instant. P Part 1 ·x Your answer is partially correct. Calculate the x- and y-components of the velocity. Answers: Vx- mm/s 2.75 BO 4.275 0000000 mm/s
The x- and y-motions of guides A and B with right-angle slots control the curvilinear motion of the connecting pin P, which slides in both slots. For a short interval, the motions are governed by x - 12+0.55t² and y-16-0.57t³, where x and y are in millimeters and t is in seconds. Calculate the magnitudes of the velocity v and acceleration a of the pin for t-2.5 s. Sketch the direction of the path and indicate its curvature for this instant. B P 1111 * Incorrect Calculate the x- and y-components of the velocity. Answers: Vx- i 11036 mm/s i 8.620 mm/s Part 1 A 0000

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