subject
Physics, 10.12.2019 04:31 larrbear64

Imagine you are in an open field where two loudspeakers are set up and connected to the same amplifier so that they emit sound waves in phase at 688 hz\rm hz. take the speed of sound in air to be 344 m/s. part bwhat is the shortest distance d d you need to walk forward to be at a point where you cannot hear the speakers? the forward direction is defined as being perpendicular to a line joining the two speakers and you start walking from the line that joins the two speakers. in meters.

ansver
Answers: 1

Other questions on the subject: Physics

image
Physics, 22.06.2019 09:50, ggcampos
Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c. the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors
Answers: 1
image
Physics, 22.06.2019 10:30, johnthienann58
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
Answers: 1
image
Physics, 22.06.2019 22:00, jayonelijah
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
image
Physics, 23.06.2019 02:00, MajentaSnow11601
Abeam of light shining from water to air strikes the surface at an angle greater than 48 degrees and produces total internal reflection. if the incident beam is at a 50 degree angle what angle is the reflected beam 13 25 50 100
Answers: 3
You know the right answer?
Imagine you are in an open field where two loudspeakers are set up and connected to the same amplifi...

Questions in other subjects:

Konu
Social Studies, 13.02.2021 22:40