A Ball Is Thrown Vertically into the Air

question 46

Multiple Choice

A ball is thrown vertically into the air. Because of air resistance, its speed when it returns to its starting level compared to its initial speed is

• A)less.
• B)the same.
• C)more.

---

Definitions:

Cleavage

The tendency of a mineral to break along flat, smooth surfaces according to its crystalline structure.

Cement Slab

A flat, horizontal block of concrete used for construction and foundation purposes, such as sidewalks, driveways, or patios.

Clay Minerals

A group of hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations, known for their plasticity when wet and hardening when heated or dried.

Glass Windows

Transparent panes made from silica-based materials, used in buildings and vehicles to admit light while offering protection from weather elements.