Two speakers that are 10.0 m apart produce in-phase sound waves of frequency 170.0 Hz in a room where the speed of sound is 340.0 m/s. A microphone is placed midway between the speakers. (a) What is the wavelength of the sound waves? (b) Does the microphone detect a minimum or a maximum sound intensity at the midpoint? (c) What does the microphone detect if it is moved 0.5 m to the right of the midpoint? (d) What does it detect if it is moved 1 m to the left of the midpoint?
Two speakers that are 10.0 m apart produce in-phase sound waves of frequency 170.0 Hz in a room where the speed of sound is 340.0 m/s. A microphone is placed midway between the speakers. (a) What is the wavelength of the sound waves? (b) Does the microphone detect a minimum or a maximum sound intensity at the midpoint? (c) What does the microphone detect if it is moved 0.5 m to the right of the midpoint? (d) What does it detect if it is moved 1 m to the left of the midpoint?
Two speakers that are 10.0 m apart produce in-phase sound waves of frequency 170.0 Hz in a room where the speed of sound is 340.0 m/s. A microphone is placed midway between the speakers. (a) What is the wavelength of the sound waves? (b) Does the microphone detect a minimum or a maximum sound intensity at the midpoint? (c) What does the microphone detect if it is moved 0.5 m to the right of the midpoint? (d) What does it detect if it is moved 1 m to the left of the midpoint?
Checkpoint 4
The figure shows four orientations of an electric di-
pole in an external electric field. Rank the orienta-
tions according to (a) the magnitude of the torque
on the dipole and (b) the potential energy of the di-
pole, greatest first.
(1)
(2)
E
(4)
What is integrated science.
What is fractional distillation
What is simple distillation
19:39 ·
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1 69%
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The compound beam is fixed at Ę and supported by rollers at A and B. There are pins at C and D. Take
F=1700 lb. (Figure 1)
Figure
800 lb
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E
C
BO
10 ft 5 ft 4 ft-—— 6 ft — 5 ft-
Solved Part A The compound
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Problem
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Những kết quả này có
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There are pins at C and D To F-1200 Egue!)
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Solved The compound b...
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Chegg
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