You Have Connected a Loudspeaker That Is Facing Upwards to a Variable

question 59

Multiple Choice

You have connected a loudspeaker that is facing upwards to a variable frequency source and notice that a small screw has fallen into the loudspeaker. As you increase the frequency of the signal you notice that at a frequency of 20.0 Hz the screw no longer moves with the speaker but starts to leave the surface of the speaker intermittently. What must be the amplitude of the oscillations?

• A) 0.621 mm
• B) 2.45 mm
• C) 1.60 mm
• D) 0.893 mm
• E) 0.200 mm

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Definitions:

Inflection

A change in the form of a word to express different grammatical functions or attributes such as tense, mood, voice, aspect, person, number, gender, and case.

Visual Cue

A signal or marker, often visual, that guides behavior, awareness, or actions by conveying information nonverbally.

Paragraphing

The process of dividing a piece of writing into paragraphs, which organize and structure content.

Speech

The expression of or the ability to express thoughts and feelings by articulate sounds.