A Bucket of Water with Total Mass 20

question 44

Multiple Choice

A bucket of water with total mass 20.0 kg is attached to a rope,which in turn is wound around a 4.00-cm radius cylinder at the top of a well.The bucket is raised to the top of the well and released.The bucket is moving with a speed of 8.00 m/s upon hitting the water surface in the well.What is the angular speed of the cylinder at this instant?

• A)64.0 rad/s
• B)50.3 rad/s
• C)200 rad/s
• D)126 rad/s
• E)393 rad/s

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Definitions:

Actor-Observer Bias

A cognitive bias that explains the tendency to attribute one's own actions to external factors while attributing other people's behaviors to their internal characteristics.

Situational Pressures

The external forces or social situations that influence an individual's behavior, decision-making process, or feelings, often leading to changed or adapted behavior to fit the circumstance.

Observers

Individuals who watch or take notice of events or behaviors, often for the purpose of recording information or making judgments.

Fundamental Attribution Error

The tendency to attribute others' actions to their character or personality while underestimating situational influences.