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A string is fixed at both ends and is vibrating at 124 Hz, which is its third harmonic frequency. The linear density of the string is 5.05 10-3 kg/m, and it is under a tension of 3.5 N. Determine the length of the string.
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The beam from a diode laser is used to investigate the refraction of a piece of plastic. Determine the wavelength of the light in the plastic in nanometers (nm).
A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 3.5 kg*m^2. Calculate the initial and final kinetic energy of the system
Determine the magnitude of the force on an electron traveling 3.65×10^5 m/s horizontally to the east in a vertically upward magnetic field of strength 0.70 T
A 35.0-cm-diameter circular loop is rotated in a uniform electric field until the position of maximum electric flux is found. evaluate the magnitude of the electric field
Flint glass has a refractive index of 1.645 for blue light and 1.629 for red light. When viewing an image these colors will not focus at the same location due to this effect. Find the focal length of both the blue and red light
A person with a near-point distance of 37 cm is able to get a usable magnification of 15 with a particular magnifying glass. What is the friend's near-point distance
The eight ball m = 0.5 kg is initially moving with a velocity v = 4.2i m/s. What is the magnitude of the velocity of the eight ball after the collision in m/s
q1. a pipe open at one end has a fundamental frequency of 256 hz. a second pipeidentical to first pipe is shortened by
In February 1955, a paratrooper fell 370 m from an airplane without being able to open his chute but happened to land in snow, compute the magnitude of the impulse on him from the snow?
strikes the wooden block of a ballistic pendulum, as shown. The block has a mass of 270 g. Find out the speed of the bullet/block combination immediately after the collision.
The Kinetic coeffficient of friction for a 12Kg mass on a table is 0.25. A string from the mass goes across a pulley and is attached to an 8.0kg mass hanging over the side of the table. find the magnitude of the acceleration of each mass
The equation of a transverse wave on a string is y = (6.1 mm) sin[(30 m-1)x + (300 s-1)t], What is the wave speed
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