Two Uniform Disks, Each with the Same Mass but with Radii

question 41

Multiple Choice

Two uniform disks, each with the same mass but with radii differing by a factor of 2, roll without slipping down an inclined plane. If the two disks start from rest at the same height h, calculate the ratio of the angular velocity of the small disk divided by that of the larger disk.

• A) 1
• B) 0.5
• C) 4
• D) 2
• E) 0.25

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Definitions:

Reaction

A process in which substances interact, causing the formation of new substances with different properties.