The uniform 1,157-mm link AB slides up onfrictionless rollers as shown below. At theinstant shown, the link AB is vertical and theabsolute velocity of point A is 19.9 m/s in thedirection shown. Ignore the link thickness androller diametres. For this configuration, 01=39degrees and O2=25 degrees as shown.VA01AGCalculate the absolute velocity of the centreof mass at G. Give your answer in the form Z =2 VGx + VGy in m/s where vGx is the horizontalcomponent of the velocity vector (positive tothe right) and VGy is the vertical component ofthe velocity vector (positive upwards). Roundyour final answer to two decimal places.

Angular velocity is the rate of change in angular position of the object and it is denoted by the…

Answered: The uniform 1,157-mm link AB slides up…

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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b) Find the angular velocity and angular acceleration of disc B shown below, which is spinningatthe constant rate of ω2 = 90/πrpm. The disc is attached to collar A, which is rotating at the angular speed of ω1 = 5/π rpm, with the angular speed increasing at 0.5/π rpm/sec. Rod AB which connects the disc to the collar ispinned to the collar at A. The rod makes an angle of θ = 300 with the vertical, which is increasing at a constant rate of20/π0/sec.Express theAngularvelocityAcceleration of the disc in terms of a reference frame attached to thecollar.
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.
The disk in Figure, rotates about a fixed axis throughO with angular velocity ω =5 rad/sec and angularacceleration α = 3 rad/sec2in the directions shown at acertain instant. The small sphere A moves in the circularslot, and at the same instant, β = 30°, ?̇ = 2rad/sec, and?̈ = - 4 rad/sec2. Determine the absolute velocity andacceleration of A at this instant.
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.
Corner point A of the uniform square plate, with a mass of 25 kg and a side length of = 0.21 m, is pinned freely to the collar, which has an acceleration of a = 4.9 (towards the right) along the fixed horizontal shaft. If the plate has an angular velocity of w = 1.6 rad/s (clockwise) when it swings past the vertical position shown (with G directly below A), what is the magnitude of the angular acceleration (in ) of the plate at this time instant? The xy-plane is vertical. Choose the correct answer. 24.7 23.5 19.8 28.5 21.0
5/125 The disk rotates with angular speed -2 rad/s. The small ball A is moving along the radial slot with speed L= 100 mm/s relative to the disk. Determine the absolute velocity of the ball and state the angle B between this veloc- ity vector and the positive x-axis. 125 mm
Draw the impulse-momentum diagram and line of action for e. Solve for the following: 1. Determine the angular velocity of the slender bar (B) immediately after impact. angular velocity of A = 57.1 rad/s since there is no external torque 2. Determine the linear velocities of both the sphere (A) and the slender bar (B) immediately after impact at their centroids ANSWERS I GOT BUT ARE INCORRECT: (the unit is given) angular velocity of the slender bar (B) immediately after impact: 8.089 rad/s , 18.49 rad/s linear velocity of the sphere (A) immediately after impact at the centroid: 0.485 rad/s^2, 0.16 rad/s^2, 2.11 rad/s^2 linear velocity of the slender bar (B) immediately after impact at the centroid: 0.485 rad/s^2, 0.49 rad/s^2, 2.21 rad/s^2
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
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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.
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