In the Figure, a 1

question 35

Multiple Choice

In the figure, a 1.6-kg weight swings in a vertical circle at the end of a string having negligible weight. The string is 2 m long. If the weight is released with zero initial velocity from a horizontal position, its angular momentum (in kg⋅m²/s) at the lowest point of its path relative to the center of the circle is approximately

• A) 40
• B) 10
• C) 30
• D) 20
• E) 50

---

Definitions:

Bicarbonate Ions

An alkaline ion that plays a crucial role in the body's pH balance and carbon dioxide transport in the blood.

Hemoglobin

A protein found in red blood cells that carries oxygen from the lungs to the rest of the body and returns carbon dioxide from the body to the lungs.

Plasma

The liquid component of blood, composed of water, salts, proteins, and various other substances, in which blood cells are suspended.

Transferrin

A plasma protein that transports iron throughout the body.