The Top of a Rubber Bushing Designed to Absorb Vibrations

question 20

Multiple Choice

The top of a rubber bushing designed to absorb vibrations in an automobile is the surface of revolution generated by revolving the curve in the yz-plane about the z-axis. The bushing has a hole of 4 centimeters in diameter through its center and parallel to the axis of revolution. All measurements are in centimeters and the bushing is set on the xy-plane. Find the volume of the rubber bushing. Round your answer to two decimal places.

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Definitions:

Cerebellum

A region of the brain that plays an important role in motor control, and also contributes to coordination, precision, and timing of movements.

Electrical Impulses

These are rapid, short signals that travel along the nerves, allowing for communication throughout the body.

Ethnicity

Social groups with a shared culture, ancestry, language, or national origin.

State of Health

A description of an individual's overall health and well-being, considering physical, mental, and emotional aspects.