two in-phase loudspeakers are placed along a wall and are separated by a distance of 4.00 m. they emit sound with a frequency of 514 hz. a person is standing away from the wall, in front of one of the loudspeakers. what is the closest nonzero distance from the wall the person can stand and hear constructive interference? the speed of sound in air is 343 m/s.

answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;

c)as speed changes, wavelength and frequency change.

everything changes!

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.