A Bucket of Water with Total Mass 20

question 22

Multiple Choice

A bucket of water with total mass 20.0 kg is attached to a rope,which in turn is wound around a 0.050-m radius cylinder,with crank,at the top of a well.The moment of inertia of the cylinder and crank is 0.21 kg
M².The bucket is raised to the top of the well and released to fall back into the well.What is the kinetic energy of the cylinder and crank at the instant the bucket is moving with a speed of 7.0 m/s?

• A) 588 J
• B) 2 058 J
• C) 490 J
• D) 19 600 J

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Definitions:

Right Time

The most appropriate or opportune moment to undertake an action or event, ensuring maximum effectiveness or success.

Right Amount

An optimal quantity or volume necessary to achieve a particular result or meet a specific need without excess or deficit.

Right Format

The appropriate or optimal arrangement, structure, or presentation of data or information for a specific purpose.

Unmanned Aerial Vehicle

Also known as a drone, it is an aircraft without a human pilot aboard, controlled remotely or autonomously, used for various purposes, including surveillance, delivery, and environmental monitoring.