Question
Asked Jan 26, 2020
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Torques of equal magnitude are applied to a hollow cylinder and a solid sphere, both having the same mass and radius. The cylinder is free to rotate about its standard axis of symmetry, and the sphere is free to rotate about an axis passing through its centre. Which of the two will acquire a greater angular speed after a given time

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Expert Answer

Step 1

Given

τcylindersphere

Rcylinder = Rsphere = R

Mcylinder = Msphere = M

Hollow cylinder rotates about standard axis of symmetry

Sphere rotates about diameter

Step 2

Formula used

Physics homework question answer, step 2, image 1
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Step 3

Solution

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Physics homework question answer, step 3, image 1
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