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Question: A student standing in a canyon yells "echo," and her voice produces a sound wave of frequency of f = 0.56 kHz. The echo takes t = 3.5s to return to the student. Assume the speed of sound through the atmosphere at this location is v = 331m/s. Input an expression for the distance,d, the canyon wall is from the student. How many wavelengths are between the student and the wall?
a yellow compound dissolved in methylene chloride is added to a chroma- tography column. the elution is begun using
In a pig-calling contest, a caller produces a sound with an intensity level of 107 dB. How many such callers would be required to reach the pain level of 120.
What is multivariate analysis of variance (MANOVA) and Under what conditions is MANOVA used?
you push your physics book 1.50 m alone a horizontal tabletop with a horizontal push of 240 n while the opposing force
q1. a 4.5 kg block starts at rest and slides a distance d down a frictionless 32.0 degree incline where it runs into a
A satellite is in orbit 4.2*10^7 m from the center of Earth with a speed of 7,800 m/s. what is the mass of the satellite
An ac generator with f = 256 Hz supplies an rms voltage of 120 V to a circuit that includes a 45.0mH inductor, and 152-\Omega resistor, and a 1.58-uF capacitor, all connected in series.
As the drawing illustrates, two disks with masses m1 and m2 are moving horizontally to the right at a speed of v0. They are on an air-hockey table, find the velocity of disk 2 at that moment
A football is kicked at a velocity of 42 m/s with an angle of 61 degrees to the ground.
Consequently,38Sr90is a particularly serious health hazard. How long (in years) will it take for 99.9817% of the38Sr90released in a nuclear reactor accident to disappear?
A gas expands from 1 m3 to 2 m3 at a constant pressure of 500 Pa. Compute how much heat went into the gas
The springs of a 1600 kg car compress 5.0 mm when its 65 kg driver gets into the driver's seat. If the car goes over a bump, what would be frequency of vibrations.
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