A System Comprised Blocks, a Light Frictionless Pulley, and Connecting

question 36

Multiple Choice

A system comprised blocks, a light frictionless pulley, and connecting ropes is shown in the figure. The 9.0-kg block is on a perfectly smooth horizontal table. The surfaces of the 12-kg block are rough, with µ_k = 0.30 between the block and the table. If the 5.0-kg block accelerates downward when it is released, find its acceleration.

• A) 1.0 m/s²
• B) 1.2 m/s²
• C) 1.4 m/s²
• D) 1.6 m/s²
• E) 1.8 m/s²

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Definitions:

Dendrite

Branching processes of a neuron; receives stimuli and conducts potentials toward the cell body.

Nerve Impulses

Electrical signals that travel along the nerve fibers, used for communication between nerve cells.

Cell Body

The part of a neuron that contains the nucleus and most of the cytoplasm and organelles, serving as the metabolic center of the neuron.

Skeletal Muscle

Skeletal muscle is a type of muscle tissue that is attached to bones and is responsible for voluntary movements in the body.