The third harmonic of an organ pipe that is open at both ends and is 2.25 m long excites the fourth resonant frequency above the fundamental in another organ pipe. Determine the length of the other pipe when A) it is open at both ends and B) when it is open at one end and closed at the other. The temperature is unknown, therefore the speed of sound is unknown.

the independent variable, or the one that is intentionally manipulated is the speed.

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right

russian is not my first language, so i'm afraid i can't write out an answer in russian, but hopefully you can find a way to do so. here's my best translation of the problem: you're given a plot of a particle's position in one-dimensional space over time, and you're asked to find either the total distance traveled by the particle after 6 seconds had elapsed, or the total displacement of the particle after 6 seconds.

if you want the total distance traveled, you would first need to determine the particle's velocity as a function of time, then integrate that over the 6-second interval. we know the position function is quadratic with roots at 0 and 6, so we have

where is unknown. because the position is parabolic, there is symmetry about the midpoint at , and we know that

so that the position function is

which means the velocity is

then the total distance traveled is

so the total distance traveled is 20 m.

on the other hand, if you want to find displacement: the particle starts at and ends at , so its displacement is 0.