.
Physics, 27.02.2021 16:30 embersongracie
2. Fill in the blanks
a. Loudness of sound depends on and Pitch of the sound depends on
.
b. Closer the waves, the frequency and taller the waves, the frequency.
c. Frequency range of audible sound is Hz to Hz.
d. Sounds with very high frequency are and sounds with very low frequency are
.
e. Unwanted sound is called .
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Find the vertex(use the completing the square method), findthe x- and y-intercepts, and sketch the graph offunction. y = 2x2 + 4x - 1
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Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
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Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?
Answers: 1
2. Fill in the blanks
a. Loudness of sound depends on and Pitch of the sound depends on
.
.
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