Sound Waves in Space

question 43

Multiple Choice

Sound waves in space

• A)do not exist.
• B)travel so slowly that they are unnoticeable.
• C)travel much faster than sound on Earth but have such low density that they are inaudible.
• D)travel much faster than sound on Earth and are therefore very loud.
• E)can travel through the halo but not the disk of the galaxy.

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Definitions:

Analog Potentiometer

An electrical component that varies resistance in a circuit to control a device, often used to adjust levels such as volume.

Hall-effect TPS

A throttle position sensor using the Hall-effect principle to measure the position of the throttle in an engine, translating the throttle's position into an electrical signal.

Transmitting Torque

The process of transferring rotational force from one part of a mechanical system to another, typically via gears, belts, or shafts.

Planetary Gears

A gear system that consists of one or more outer gears revolving around a central sun gear, widely used in automatic transmissions.