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1. Write the expressions for the electric and magnetic fields of a uniform plane wave propagating in an arbitrary direction and list all the conditions to be satisfied by the electric field, magnetic field, and propagation vectors.
2. What are apparent wavelengths? Why are they longer than the wavelength along the direction of propagation?
Electricity may be generated by rotating a loop of wire between the poles of a magnet. The induced current is greatest when:
A boy whirls a stone in a horizontal circle of radius 1.7 m and at height 2.2 m above ground level. The string breaks, and the stone flies horizontally and strikes the ground after traveling a horizontal distance of 10 m. What is the magnitude of the..
Suppose a ski-jumper lands at a point 63 m down an incline of 35 degrees, What was her speed at take-off
Water (density 1000 kg/m^3) is flowing in a pipeline. At point 1 the water velocity is 5.0 m/s. Point 2 is 3.5 m above point 1. The cross sectional area of the pipe is .060 m^2 at point 1 and .020 m^2 at point 2. What is the Pressure difference P1-P2..
A short train (an engine plus four cars) is accelerating at 2.00m/s2. What is the force of the engine on the first car
An electron orbiting a hydrogen atom has an initial energy of -0.544 eV. The atom emits a photon, then absorbs a photon, ending up with an energy of -3.4 eV. What was the wavelength of the emitted photon?
A mountain climber is steadily descending at -1.94 m/s using a rope. (Assume the positive direction is upward.) and After 3.7 seconds, what is the displacement of the first aid kit from the mountain climber (how far below)
The electrical power supplied to a device is 120 V at 60 Hz. Thedevice requires 20.0 V and draws 2.5. What would be the current in the primary?
An alpha particle (q = +2e, m = 4.00 u) travels in a circular path of radius 7.00 centimeter in a magnetic field with B = 1.60 T. Determine its period of revolution
Monochromatic light of wavelength 416 nm passes during a diffraction grating. The third order image is separated from the central image by an angle of 64degrees. Discover the number of lines/cm in the grating.
How many revolutions will the car have gone through.
an emf is induced in a conducting loop of wire 1.00 m long as its shape is changed from square to circular. find the
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