The link BC is fixed at point D and freely rotates about this point. The collar B can slide through the link AE. At the instant when the link BC is vertical and Point C has a given constant horizontal velocity vo as shown in the figure, determine the followings: Use the given data in the figure and find the angular velocity and acceleration of the link AE. C E
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- While riding a multispeed bicycle, the rider can select the radius of the rear sprocket that is fixed to the rear axle. The front sprocket of a bicycle has radius 12.5 cm. Part A If the angular speed of the front sprocket is 0.500 rev/s, what is the radius of the rear sprocket for which the tangential speed of a point on the rim of the rear wheel will be 4.00 m/s? The rear wheel has radius 0.320 m. Express your answer in meters. ? m Submit Request Answer10The 5-kg cylinder is initially at rest when it is placed in contact with the wall B and the rotor at A. Part A If the rotor always maintains a constant clockwise angular velocity w = 6 rad/s, determine the initial angular acceleration of the cylinder. The coefficient of kinetic friction at the contacting surfaces B and C is uk = 0.2. (Figure 1) Express your answer with the appropriate units. ? a = Value Units Submit Request Answer Figure 1 of 1 Provide Feedback Next > 125 mm 45 P Pearson
- A hoop, a disk, and a solid sphere with equal masses and equal radii, all roll without slipping down an inclined plane starting from rest. Which of the following is NOT true? (Inoop = mr? ; Idisk = mp ; Isolid sphere = mr2) O The force of gravity along the plane will be equal for all. O At the bottom, the rotational kinetic energy will be greatest for the sphere. O At the bottom, the angular velocity about the center of the object will be greatest for the sphere. O At the bottom, the rotational plus translational kinetic energy will be the same for each object. O At the bottom, the translational kinetic energy will be least for the hoop.A linkage undergoing motion as shown. The velocity of the block, vp, is 4 m/s. The length of the rods is l=0.5m. l 45° -90° 45° l 121 No What are the angular velocities of links AB and BD in rad/s. Note: They both have the same angular velocity due to the symmetric geometry. Give your answer with 2 decimals.I NEED HELP WITH BOTH QUESTION
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