A Serious Audiophile Prefers to Listen to Music on His $\times$

question 48

Multiple Choice

A serious audiophile prefers to listen to music on his vinyl record turntable. The 12-inch diameter disk rotates at a constant 33 rpm. How fast is the record passing by the pickup cartridge tip at a radius of 4 inches? (1 inch = 2.54 cm)

• A) 5.6 cm/s
• B) 35 cm/s
• C) 3.3 \(\times\) 10² cm/s
• D) 21 m/s
• E) 18 cm/s

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Definitions:

Alveolar Process

Part of the jawbone that contains the sockets (alveoli) for teeth.

Crista Galli

A vertical projection of the ethmoid bone in the skull, serving as the point of attachment for membranes dividing the nasal cavity.

Supraorbital Foramen

An opening or notch in the frontal bone of the skull, above the eye orbit, through which the supraorbital nerve and vessels pass.

Infraorbital Foramen

An opening located below the orbit (eye socket) on the skull through which nerves and blood vessels pass.