The Angle of Repose of Sand-Sized Particles Falling from the Air

question 6

Multiple Choice

The angle of repose of sand-sized particles falling from the air is _____ degrees.

• A) 14
• B) 24
• C) 34
• D) 44
• E) 90

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Definitions:

Simplify

The process of reducing an expression or equation to its simplest form, making it easier to work with.

Percent

A percent is a part per hundred, used as a way of expressing a number as a fraction of 100.

Perimeter

The total distance around the boundary of a two-dimensional shape.

Rectangle

A quadrilateral with four right angles and opposite sides that are equal and parallel.