A 16 Kg Block Is Attached to a Cord That

question 32

Multiple Choice

A 16 kg block is attached to a cord that is wrapped around the rim of a flywheel of diameter 0.40 m and hangs vertically, as shown.The rotational inertia of the flywheel is 0.50 kg∙m².When the block is released and the cord unwinds, the acceleration of the block is:

• A)0.15 g
• B)0.56 g
• C)0.84 g
• D)1.0 g
• E)1.3 g

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Definitions:

Thermodynamics

Principles governing energy transfer (often expressed in terms of heat transfer). See first law of thermodynamics and second law of thermodynamics.

Decreases

A reduction in size, amount, extent, or number.

Thermal Energy

The internal energy present in a system due to its temperature, associated with the random motion of molecules.

Higher Temperature

A condition of increased heat in a given environment or system, often affecting physical states, chemical reactions, and biological processes.