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Consider a guitar string stretching 85.6 cm between its anchored ends.
The string is tuned to play middle C, with a frequency of 256 Hz, when oscillating in its fundamental mode, that is, with one antinode between the ends.
If the string is displaced 1.90 mm at its midpoint and released to produce this note, what are the wave speed, v, and the maximum speed, Vmax, of the midpoint of the string?
Mr. Gewanter, who's mass is 60.0 kg, is doing physics demonstration in the front of the classroom. a) How much gravitational force does he exert on 55-kg Martha in the front row, 1.50m away? b) How does this compare to what he exerts on 65-kg Lest..
A 46.7 g ball of copper has a net charge of 1.5 µC. What fraction of the copper's electrons have been removed
You look directly overhead and see a plane exactly 1.2·km above the ground, flying faster than the speed of sound. Find the angle of the shock wave cone
A box of mass 86.0 kg is connected to a second box with a mass of 30.0 kg. find the magnitude of the tension in the string between the two boxes
A 20 cm-diameter, 2.0 kg solid disk is rotating at 200 rpm. What is the final angular velocity of the combined system
A golf ball is driven from a level fairway. At a time of 4.54 slater, the ball is traveling downward with a velocity of 42.4 m/sat an angle of 20.4° below the horizontal. Neglecting airresistance, calculate the initial velocity (magnitude anddirec..
A point source of light is submerged 2.2 m below the surface of a lake and emits rays in all directions. What is the maximum radius that this circle could have
A 4kg mass rests on a tabletop and is attached to a spring with the spring constant 100N/m. find the equation of motion for the oscillator
The photoelectric threshold wavelength of a tungsten surface is 272. Calculate the maximum kinetic energy (in ) of the electrons
q1. a large tanker truck can carry 30 ton of liquid. a what volume of water can it carry? b what volume of gasoline can
Two slits are illuminated by a 390 nm light.The angle between the zeroth-order bright band at the center of the screen, how far apart is this bright band from the central peak
A coil with magnetic dipole moment 1.5 A-m^2 is rotated initally with its magnetic moment parallel to a uniform magnetic field of 0.4T. what is the change in potential energy of the coil
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