The figure below shows two disks that can rotate about their centers like a merry-go-round. At the time t = 0, the reference lines of the two disks have the same orientation. Disk A is already rotating, with a constant angular velocity of 8.9 rad/s. Disk B has been stationary but begins to rotate at a constant angular acceleration of 2.35 rad/s². Disk A Disk B (a) At what time t will the reference lines of the two disks momentarily have the same angular displacement 0? rad

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
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Chapter10: Rotational Motion
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The figure below shows two disks that can rotate about their centers like a merry-go-round. At the time t = 0, the reference lines of the two disks have the same orientation. Disk A is already rotating, with a
constant angular velocity of 8.9 rad/s. Disk B has been stationary but begins to rotate at a constant angular acceleration of 2.35 rad/s?.
Disk A
Disk B
(a) At what time t will the reference lines of the two disks momentarily have the same angular displacement 0?
rad
Transcribed Image Text:The figure below shows two disks that can rotate about their centers like a merry-go-round. At the time t = 0, the reference lines of the two disks have the same orientation. Disk A is already rotating, with a constant angular velocity of 8.9 rad/s. Disk B has been stationary but begins to rotate at a constant angular acceleration of 2.35 rad/s?. Disk A Disk B (a) At what time t will the reference lines of the two disks momentarily have the same angular displacement 0? rad
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