A Bucket of Water with Total Mass 21

question 21

Multiple Choice

A bucket of water with total mass 21.0 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 5.4 m/s?

• A)4.8E+2 J
• B)1.2E+3 J
• C)3.1E+2 J
• D)1.2E+4 J

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Definitions:

Cohesion

The action or fact of forming a united whole, often referring to the sense of unity or togetherness within a group.

Forming Stage

The initial phase in group development where members meet, form initial impressions, and begin to establish team norms and roles.

Avoidance Behavior

is a coping mechanism where an individual consciously or unconsciously evades facing a stressor or threat.

Preaffiliation Stage

The initial phase in the formation of groups where members start to come together, exploring trust and structure.