The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity andacceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 2 deg/sec, Ô = 7 deg/sec?,1 = 11 ft, 1 = 2.1 ft/sec, i =-3.9 ft/sec?. The quantities i and i are the first and second time derivatives, respectively, of the length I of section AB. Express youranswers as vectors in the e, and ee directions.B28'AAnswers:VB = ( i%3De, +eə) ft/secав(ie, +eg) ft/sec2

Given data: θ = 16 degθ˙ = 2 deg/sec = 0.0349 rad/sθ¨ = 7 deg/sec^2 = 0.122 rad/s2 l = 11 ft,l˙ =…

The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 2 deg/sec, Ö = 7 deg/sec?, 1 = 11 ft, 1 = 2.1 ft/sec, i = -3.9 ft/sec?. The quantities i and i are the first and second time derivatives, respectively, of the length l of section AB. Express your answers as vectors in the e, and e directions. 28' A Answers: VB = ( i е, + i eg) ft/sec ag = (i е, + i eg) ft/sec2

The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 2 deg/sec, Ö = 7 deg/sec?, 1 = 11 ft, 1 = 2.1 ft/sec, i = -3.9 ft/sec?. The quantities i and i are the first and second time derivatives, respectively, of the length l of section AB. Express your answers as vectors in the e, and e directions. 28' A Answers: VB = ( i е, + i eg) ft/sec ag = (i е, + i eg) ft/sec2

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

See similar textbooks

Similar questions

A motor (which is not shown in the figure) rotates the rod OB about the z-axis. The torque applied by the motor is given as T = 0.4 Nm. The rod OB is rotating at 3 rad/s at that instant which R = 0.4 m. And a rope attached to the slider A is let out at the constant rate of 0.25 m/s. What is the angular velocity after 10s?(Please neglect the mass of rod OB).
The disk is rotating with an angular speed of = 4 rad/s and has an angle of = 30°. Determine the tangential velocity at point A.
In the system shown in the figure, rod ab rotates at 5rad / s speed. When theta angle is 60 degrees, determine the velocity of block c.
The flywheel rotates with an angular speed of w = 8 rad/s and an angular velocity = 16 rad/s2. Determine the tangential velocity at point B.
Ring C moves downwards at 2 m/s. Determine the value of point B velocity (vB =?), Angular velocity of the arm CB (wBC) and the position vector B in relation to C rB/C for the situation shown in the figure.
Find the sum of the three harmonic motions: x1(t)=10cos(wt + 2) x2(t)=15sin(wt + 2) x3(t)= 15cos(wt)
find an acceleration of the center of the beam (marked as a blue point) which is connecting both wheels , if it is known that linear velocity ot the wheels v=100km/h, r=0,8m and the distance drom the center of the wheel and the pont where the beam is connected (marked as red red distance)=0,4m, there is no slipping between wheels and the ground
Consider the portion of an excavator shown. At the instant under consideration, the hydraulic cylinder is extending at a rate of 7 in./sec, which is decreasing at the rate of 3 in./sec every second. Simultaneously, the cylinder is rotating about a horizontal axis through O at a constant rate of 10 deg/sec. Determine the velocity v and acceleration a of the clevis attachment at B. *********************ANSWER THIS PART ONLY************ Write the velocity and acceleration as vectors.v = (______ er + ______ eθ) in./seca = ( ______er + ______ eθ) in./sec2
In the figure shown, the hydraulic cylinder moves upwards with a constant speed of Va=0.2 m/s, transferring vertical movement to corner A of the container. If bearing b never slips and has a diameter of 8 cm, determine the angular velocity of the imaginary line drawn from its axis of rotation to any point on its periphery. Determine the angular velocity of side CD at this moment.
If the block at C is moving downward at 4 ft/s, determine theangular velocity of bar AB at the instant shown.
The flexible band F is connected in E to the rotating sector and has a constant speed of 4 m/s, as shown. Find:a) The angular velocity BD at the instant BD is perpendicular to OA. b) The angular acceleration BD at the instant BD is perpendicular to OA.
find the angle of braking for a circular track of radius 600m as to be suitable for driving a car with a maximum speed of 180 km/hr (g=9.8m/s