A uniform disk of mass 371 kg and radius 0.19 m is mounted on
frictionless bearings...
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Physics
A uniform disk of mass 371 kg and radius 0.19 m is mounted onfrictionless bearings so it can rotate freely around a verticalaxis through its center (see the following figure). A cord iswrapped around the rim of the disk and pulled with a force of 10 N.What is the angular velocity (in rad/s) at the instant the disk hascompleted four revolutions. The disk starts from rest.
Group of answer choices
3.78 rad/s
3.87 rad/s
2.35 rad/s
2.53 rad/s
Answer & Explanation
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4.2 Ratings (672 Votes)
Answer Angular velocity ExplanationDistance covered in 4 revolutions Work done
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