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Two identical guitar strings are prepared such that they have the same length (1.91 m) and are under the same amount of tension. The first string is plucked at one location, primarily exciting the 1st harmonic. The other string is plucked in a different location, primarily exciting the 4th harmonic. The resulting sounds give rise to a beat frequency of 324 Hz. What is the wave propagation speed on the guitar strings?
Your roommate is an aspiring novelist. Because you are taking physics your roommate asks your opinion on a matter of physics. How many drops per second are keeping the annoyed protagonist awake
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 74.6kg , Jill has a mass of 44.0kg, What is the final speed of the crate if Jill jumps first and then Jack, again in the same..
A grating has exactly 8000 lines uniformly spaced over 2.58 cm, What is the expected angle for the third-order maximum of the green line
Suppose the shuttle increases its speed so that it has a length of 36.1 m when viewed by a stationary observer. How long would it take to complete one orbit
A steel wire in a piano has a length of 0.60- m and a mass of 4.5 x10-3 kg. To what tension must this wire be stretched in order that the fundamental vibration correspond to middle C (fC = 261.6 Hz on the chromatic musical scale).
the absolute portential at the exact center of a square is 3.0v when a charge of +Q is located at one of the squares corners. What is the absolute potential at the squares center
A 0.0017T magnetic field and a 5.7 x 10^3 N/C electric field both points in the same directions. Determine the magnitude and directions of the net force on the charge
The resistance across your (wet) tongue, from one side to the other near the tip, is 375 ? (assume that your tongue is an ohmic material). What current is flowing through the saliva that coats your tongue
A 1128 kg car and a 2210 kg pickup truck approach a curve on the expressway that has a radius of 272 m. find the normal force on the truck to the highway surface
What is the wavelength of emitted photon of the previous question if k = 10eV/ °A2, where °A denotes Angstrom and eV: electron volt. Is the emitted photon in visible spectrum of a human eye.
A unit vector lies in the xy plane, at an angle of 138 degrees from the +x axis, with a positive y component. What is the unit vector
A Carnot engine operates between 27C and 927C and preforms 4800 J of work. Calculate the net entropy change during one cycle
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