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The speed of a wave in a string is given by v = Ö(FT/m), where FT is the tension in the string and m = mass / length of the string.
A 2.00 m long string has a mass of 12.5 g. A 162 g mass is attached to the string and hung over a pulley. The end of the string is then vibrated at a frequency of 132 Hz. Find the wavelength for the wave generated. Give your answer in centimeters (cm) and with 3 significant figures.
A 1 530-kg automobile has a wheel base (the distance between the axles) of 2.70 m. Find the force exerted by the ground on each wheel
A certain kind of glass has nblue = 1.560 for blue light and nred = 1.510 for red light. what is the angle between the red and blue light
Camera lenses are explained in terms of their focal length. A 50 mm lens has a focal length of 50 mm. A camera is focused on an object 110 m away using a 830mm lens.
1) What is the magnitude of the torque on the disk about the z axis due to F1? 2) What is the magnitude of the torque on the disk about the z axis due to F2?
the typical magnetic field at the surface of the earth at the equator is 0.3 gauss 1 gauss 10-4t. assuming that the
What current is drawn by the toaster in A? What current is drawn by the frying pan in A? What current is drawn by the lamp in A?
Radio waves are electromagnetic waves that travel at a speed of 3.00 108 m/s, the speed of light. Find the wavelength of these radio waves
lightning occurs when there is a flow of electric charge principally electrons between the ground and a thundercloud.
A helicopter has blades of length 2.5m, extending out from a central hub and rotating at 4.00 rev/s. If the vertical component of the Earth's magnetic field is 50.0μT, what is the emf induced between the blade tip and the center hub?
A 63-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Discover the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a..
If the flowing fluid is water and the stagnation pressure drop across the rotor is 16 psi, determine the loss of available energy across the rotor and the hydraulic efficiency involved.
Which of the following (if any) have an effect on the location of the image formed with a lens?,Lens thickness, Type of lens material, Frequency of the light emitted with the object
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