Is the Church Organ Pipe Open at Both Ends or Closed at One End?

  • Thread starter Thread starter ledzeppelinpa
  • Start date Start date
  • Tags Tags
    Harmonic Tube
AI Thread Summary
The discussion revolves around determining whether a church organ pipe is open at both ends or closed at one end based on its harmonics. The harmonics provided are 370 Hz, 1110 Hz, and 1850 Hz. Participants are prompted to analyze the resonant frequencies for both types of pipes to identify which formula aligns with the given frequencies. The conversation emphasizes the need to apply the correct mathematical principles to solve the problem. Ultimately, the focus is on understanding the characteristics of pipe harmonics in relation to their physical configuration.
ledzeppelinpa
Messages
4
Reaction score
0
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.



2. i don't know where to go :(


3. none
 
Physics news on Phys.org
Hi ledzeppelinpa,

What are the possible values of resonant frequencies for a pipe closed at one end? What are the possible values for a pipe at both ends? Which of those two formulas matches the three values you're given?
 
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
Thread 'Variable mass system : water sprayed into a moving container'
Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system $$M(t) = M_{C} + m(t)$$ $$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$ $$P_i = Mv + u \, dm$$ $$P_f = (M + dm)(v + dv)$$ $$\Delta P = M \, dv + (v - u) \, dm$$ $$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$ $$F = u \frac{dm}{dt} = \rho A u^2$$ from conservation of momentum , the cannon recoils with the same force which it applies. $$\quad \frac{dm}{dt}...
Back
Top