The frequency from an empty Coke bottle can be calculated using the following formula, which is named after the German scientist, Hermann von Helmholtz, who discovered and studied this phenomenon: f = In this equation, the variables are defined below: f=frequency, in hertz s = 343 meters/second (speed of sound in air) D = diameter of circular opening, in m A = area of circular opening, in m². The area of the opening is S A 2πT V x (L+0.8D) equal to (D² V = volume of bottle excluding the neck region, in m³ L= length of neck region, in m The constants 2 and 0.8 can be considered exact (with an infinite number of significant digits). Using the measurements provided below, calculate the Helmholtz resonance frequency, f, in hertz (Hz). Use the Helmholtz resonance equation above. Show all your work. For this problem, you must show which digits are significant in your intermediate calculations using underlines. Round your final answer to the appropriate number of significant figures. For full credit, you must include units beside every number in all your calculations. ● Dimensions of empty Coke bottle: • D (diameter) = 1.7 cm . V (volume) = 1.00 liters. Note that there are exactly 1000 liters in 1 cubic meter (1000 L = 1 m³) L (length of neck) = 23 mm
The frequency from an empty Coke bottle can be calculated using the following formula, which is named after the German scientist, Hermann von Helmholtz, who discovered and studied this phenomenon: f = In this equation, the variables are defined below: f=frequency, in hertz s = 343 meters/second (speed of sound in air) D = diameter of circular opening, in m A = area of circular opening, in m². The area of the opening is S A 2πT V x (L+0.8D) equal to (D² V = volume of bottle excluding the neck region, in m³ L= length of neck region, in m The constants 2 and 0.8 can be considered exact (with an infinite number of significant digits). Using the measurements provided below, calculate the Helmholtz resonance frequency, f, in hertz (Hz). Use the Helmholtz resonance equation above. Show all your work. For this problem, you must show which digits are significant in your intermediate calculations using underlines. Round your final answer to the appropriate number of significant figures. For full credit, you must include units beside every number in all your calculations. ● Dimensions of empty Coke bottle: • D (diameter) = 1.7 cm . V (volume) = 1.00 liters. Note that there are exactly 1000 liters in 1 cubic meter (1000 L = 1 m³) L (length of neck) = 23 mm
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter9: Mass And Mass-related Variables In Engineering
Section: Chapter Questions
Problem 2P
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