A Cable Stretches by an Amount D When It Supports

question 55

Multiple Choice

A cable stretches by an amount d when it supports a crate of mass M. The cable is then cut into three equal pieces. If the same crate is supported by any one of these pieces, by how much will the cable stretch?

• A)d
• B)d/3
• C)d/6
• D)3d
• E)9d

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Definitions:

Right Atrium

The right atrium is a chamber in the heart that receives deoxygenated blood from the body through the vena cava and pumps it into the right ventricle.

Left Ventricle

The chamber of the heart that receives oxygenated blood from the left atrium and pumps it to the body through the aorta.

Repolarization

The process of restoring the resting negative charge inside cells, particularly in the context of nerve and muscle cells after depolarization.

ECG

Electrocardiogram, a medical test that measures the electrical activity of the heart to detect and diagnose various heart conditions.