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Two identical guitar strings are prepared such that they have the same length (2.30 m) and are under the same amount of tension. The first string is plucked at one location, primarily exciting the 3rd harmonic. The other string is plucked in a different location, primarily exciting the 5th harmonic. The resulting sounds give rise to a beat frequency of 351 Hz. What is the wave propagation speed on the guitar strings in m/s?
A circular platform of radius Rp = 5.95 m and mass Mp = 359 kg rotates on frictionless air bearings about its vertical axis at 6.99 rpm. What is the angular velocity when the man reaches the edge of the platform
A 1.8 micro F capacitor is discharged, starting at t=0s. The displacement current through the plates is Idisp = (13A)exp(-t/2.5micro s)
a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire, determine direction of the current in the lower wire
A hockey puck that is sliding on an icy surface will eventually stop. The horizontal force that will make the puck stop is due tofriction between puck and ice. Draw qualitative plots of position,velocity, and acceleration as functions of time.
The work required to stretch a certain spring from anelongation of 4cm to 5cm is 30.5J. What is the work required to increase the elongation from 5cm to 6cm
A 1400kg wrecking ball hangs from a 20m -long cable. By how much has the gravitational potential energy of the ball changed
Suppose there was a process by which two photons, each with momentum 0.60MeV/c ,could collide and make a single particle. find the maximum mass that the particle could possess
Two large, parallel, conducting plates are 17 cm apart and have charges of equal magnitudeand opposite sign on their facing surfaces. What is the potential difference between the plates
A rectangle has a length of 5.50m and a width of 12.0m. What are the perimeter and area of this rectangle
When a light bulb is connected across the terminals of a battery, the battery delivers 20.6 W of power to the bulb. A voltage of 10.4V exists between the terminals of the battery, which has aninternal resistance of 0.406. What is the emf of the batte..
A 1.0 ball hangs from the ceiling of a truck by a 1.0--long string. The back of truck, where you are riding with the ball, has no windows and has been completely soundproofed. The truck travels along an exceedingly smooth test track, and you feel no ..
Two people are running towards each other. They start from rest 100 m apart. Find the position where they run into each other
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