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1. Compute the wavelength of light in vacuum that has a frequency of 9.1*107 Hz.
2. What is its wavelength in carbon disulfide?
Two waves traveling on a string in the same direction both have a frequency of 236 Hz, a wavelength of 0.40 m, and an amplitude of 0.14 m. What is the phase difference between the two waves
A 5.3kg box is on a frictionless 36^\circ slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.6kg weight. A- What is the tension in the string if the 5.3kg box is held in place, so that it cannot move? B- ..
A grinding wheel is a uniform cylinder with a radius of 8.5 cm and a mass of .580 kg. Calculate its moment of inertia about its center
A long and narrow rectangular loop of wire of width 0.080 m is moving toward the bottom of the screen with a speed of 0.017 m/s (see the drawing). The loop is leaving a region in which a 2.3-T magnetic field exists;
Identical point charges of +2.4 ?C are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, Find the sign and magnitude of the third charge
An object is located 17.2 cm in front of a convex mirror, the image being 6.78 cm behind the mirror. How far in front of the mirror is the second object located
The focal length of a simple magnifier is 7.60 cm. Assume the magnifier to be a thin lens placed very close to the eye. what is the height of its image formed by the magnifier
The generator in a purely inductive AC circuit has an angular frequency of 120π rad/s. IfΔVmax = 132 V and L = 0.130 H, what is the rms current in the circuit?
How fast is an ion of deuterium moving, assuming rms speed, if it is in a plasma with a temperature of 100 x 106 K? (kB = 1.38 x 10-23 J/K and mD = 2 x 1.66 x 10-27 kg)
Over a year's time, a person receives a biologically equivalent dose of 21 mrem (millirems) from cosmic rays, What is the person's absorbed dose in rads
A 100-kg object and a 400-kg object are separated by 4.20 m. Find the magnitude of the net gravitational force exerted by these objects on a 64.0-kg object placed midway between them
Two canoeists in identical canoes exert the same effortpaddling and hence maintain the same speed relative to the water. What is the speed of the water relative to shore
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