The Circular Blade of a Saw Has a Diameter of 7

question 115

Multiple Choice

The circular blade of a saw has a diameter of 7 inches and rotates at 2500 revolutions per minute. Find the angular speed in radians per second.

• A) \(\frac { 875 \pi } { 3 }\) radians per second
• B) \(\frac { 250 \pi } { 3 }\) radians per second
• C) \(\frac { 1750 \pi } { 3 }\) radians per second
• D) \(\frac { 125 \pi } { 3 }\) radians per second
• E) \(14 \pi\) radians per second

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Definitions:

Lacrimal

Pertaining to tears or the tear system, including glands and ducts involved in tear production and drainage.

Ethmoid

A porous bone located between the eyes and forming part of the nasal cavities, contributing to the structure of the face and protection of the brain.

Sacral Hiatus

An opening at the base of the spine in the sacral bone, through which nerves and membranes can pass.

Superior Articular Facet

The top part of a vertebra that interacts with the vertebra above it to form a joint, aiding in the flexibility and movement of the spine.