A Solid Uniform Disk of Diameter 3

question 49

Multiple Choice

A solid uniform disk of diameter 3.20 m and mass 42 kg rolls without slipping to the bottom of a hill,starting from rest.If the angular speed of the disk is 4.27 rad/s at the bottom,how high did it start on the hill?

• A)3.57 m
• B)2.68 m
• C)3.14 m
• D)4.28 m

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Definitions:

Hindbrain

The rear division of the brain, responsible for regulating basic life functions such as heartbeat, breathing, and balance.

Heart Rate

The number of times a heart beats per minute, an important measure of heart health and physical fitness.

Hippocampus

A subcortical forebrain structure; it is associated with the formation of new memories.

Memories

Stored information and experiences in the brain that can be recalled for future use.