[b]1. Dan is practicing on his church organ and he finds that the next two harmonics of the 370 Hz Pipe are 1110 Hz and 1850 Hz. Is the pipe closed at one end, or open at both ends? Show all work.
[b]2. i don't know where to go :(
[b]3. none
[b]1. A child blows on a 20cm high soda bottle, and it creates a sound of 455Hz, how much liquid is inside the bottle?
[b]2. not nsure about the equations
[b]3. i attempted a solution, but all came out to something along the lines of 0.018
i don't think that's right