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A pipe, of length L = 0.320 meter and diameter d = 0.088 meter is open at both ends. A speaker is placed near one end and its frequency is varied. Find the second-lowest frequency for which the sound in the pipe resonates? Suppose 343 m/s as the speed of sound in air.
The air in another pipe, of the same dimensions but with one end closed, is excited by the speaker. What is the second-lowest frequency for which this occurs?
You're a marine biologist concerned with the effects of sonic booms on plankton, and you need to estimate the altitude of a supersonic aircraft flying directly over you at 1.1 times the speed of sound
how is the graph of the total volume of a bathtub while the water inflow rate follows a seesaw pattern for half of the time and the similar pattern for outflows on the other half.
An airplane has a mass of 2.6 x10^6 kg, and the air flows past the lower surface of the wings at 95m/s. If the wings have a surface area of 1200m2, how fast should the air flow over the upper surface of the wing if the plane is to stay in the air?..
how long does it take the sun to melt a block of ice at 0 with a flat horizontal area 1.0 and thickness 2.0 ? assume
An object with mass 5.0 kg originally moves with 4 m/s in the S direction on a horizontal surface and suddenly breaks into two pieces. What is the magnitude of the velocity of the second piece
An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 oC and rejects heat to a room at 24.0 oC. How much energy must be supplied to the device
a 17.0 k resistor and a capacitor are connected in series and then a 18.0 v potential difference is suddenly applied
Air at 1200 K, 500 kPa expands in a polytropic process, n = 1.7, to 100 kPa. What is the final temperature and the specific work performed by the gas
Unpolarized light with an intensity of 830 W / m2 is incident on a polarizer with an unknown axis. What is the angle between the axes of the polarizers
Pacemaker Batteries Pacemakers designed for long-term use commonly employ a lithium-iodine battery capable of supplying 0.42A-h of charge. what is the expected lifetime of the device
Suppose a car is traveling at +20.4 m/s, and the driver sees a traffic light turn red. obtain the stopping distance of the car
A person in a boat sees a ?sh in the water of index 1.33 at an angle of 54 degrees relative to the water's surface. What is the true angle relative to the water's surface
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