Two identical loudspeakers that are 5.00 m apart and face toward each other are driven in phase by the same oscillator at a frequency of 875 Hz. The speed of sound in the room is 344 m/s
If you start out standing midway between the speakers, find the shortest distance you can walk toward either speaker in order to hear a minimum of sound.
A) 0.197 m B) 0.295 m C) 0.0983 m D) 0.393 m E) 0.590 m
C
You might also like to view...
A positively-charged rod is held near an aluminum can that rests on a dry wood table. If you momentarily touch the opposite side of the can with your finger, the can becomes
A) positively charged. B) negatively charged. C) partially discharged. D) completely discharged. E) none of the above
A European sports car dealer claims that his product will accelerate at a constant rate from rest to a speed of 100 km/hr in 9.00 s. What distance will the sports car travel during the 9.00 s acceleration period? (Hint: First convert speed to m/s.)
a. 55.5 m c. 111 m b. 125 m d. 250 m
A person weighing 200 pounds stands on snowshoes. If the area of each snowshoe is 400 square inches, the pressure on the snow is 0.25 psi
Indicate whether the statement is true or false
Which method of extrasolar planet detection is able to measure the compositions of extrasolar planet atmopsheres?
A) gravitational lensing B) Doppler technique C) transit technique D) astrometric technique