A Pulley with a Radius of 3

question 49

Multiple Choice

A pulley with a radius of 3.0 cm and a rotational inertia of 4.5 *10^-3 kg.m² is suspended from the ceiling.A rope passes over it with a 2.0-kg block attached to one end and a 4.0-kg block attached to the other.The rope does not slip on the pulley.At any instant after the blocks start moving the object with the greatest kinetic energy is:

• A)the heavier block
• B)the lighter block
• C)the pulley
• D)either block (the two blocks have the same kinetic energy)
• E)none (all three objects have the same kinetic energy)

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Definitions:

Selective Serotonin Reuptake Inhibitors

A class of drugs often prescribed as antidepressants, which work by increasing the amount of serotonin in the brain.

Norepinephrine

A neurotransmitter and hormone that plays a key role in alertness and the fight-or-flight response, also involved in mood regulation.

Serotonin

A neurotransmitter found in the brain that affects mood, appetite, sleep, memory, and learning, often associated with feelings of well-being and happiness.

Antipsychotics

Medications used to manage and treat symptoms of psychotic disorders, such as schizophrenia and bipolar disorder.