Remember the Last Time You Watched an Old Western and Someone

question 115

Multiple Choice

Remember the last time you watched an old western and someone put his ear to the ground to listen for the wagon train or to the railroad track to listen for the train? Although this character in the movie might not have known all the particulars,what did he seem to know when it came to sound?

• A) He was aware that sound can travel through any medium.
• B) He was aware that sound is waves of energy passing through the ground temporarily displacing molecules.
• C) He was aware that soundwaves grow stronger as they travel from their source.
• D) Both a and b

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Definitions:

Neutral

A transmission setting in which no gear is engaged, allowing the engine to operate or idle without driving the wheels.

ECU

Engine Control Unit; a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.

Codes Logged

Digital or electronic records of errors, faults, or operational data captured by a system's diagnostic tools.

Lowest-priority Code

In computing or digital communications, a code assigned to processes or signals deemed least critical, indicating they are to be executed or addressed last.