A CD Has a Diameter of 12

question 25

Multiple Choice

A CD has a diameter of 12.0 cm. If the CD is rotating at a constant angular velocity of 25 radians per second, then the linear speed of a point on the circumference is

• A) 1.0 m/s.
• B) 1.5 m/s.
• C) 2.0 m/s.
• D) 2.5 m/s.
• E) 3.0 m/s.

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Definitions:

Silicone RTV

A room-temperature-vulcanizing silicone used as a sealant or adhesive, capable of forming durable, flexible seals resistant to temperature and moisture.

Sealed Trailer

A type of trailer designed to be completely closed off from external elements, often used for the transportation of goods that require protection from the environment.

Semi-Trailer Dump Box

A type of dump truck where the dump box is supported at the rear by its own axles and at the front by a detachable tractor unit.

Cubic Capacity

Measures the volume of an engine's cylinders, usually referred to in cubic centimeters (cc) or litres (L), which indicates the engine's power capacity.