In si units the electric field in an electromagnetic wave
In SI units, the electric field in an electromagnetic wave is described by Ey = 100 sin(107x - ?t ). What is the frequency of the EM wave in units of 1014 Hz?
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A simple pendulum consists of a ball connected to one end of a thin brass wire. Determine the change in the period of the heated pendulum
The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At what temperature will the gap be closed
A radar unit sends out 0.05 microsecond pulses of microwaves whose wavelength is 25 mm. What is the frequency of these microwaves
"The United States is often described as an experiment in self-government. Most people understand "self-government" to mean democracy. According to this understanding, people are self-governed if they regularly vote to select the individuals who are
In SI units, the electric field in an electromagnetic wave is described by Ey = 100 sin(107x - ?t ). What is the frequency of the EM wave
A 0.60 kg stone attached to a string is whirled in a horizontal circle of radius 43 cm as in the figure below. The string makes an angle of 35° with the vertical. Find the speed of the stone
The pKa of that basic functional group on the enzyme is 8.0, and is the only pKa apparent on a plot of kcat vs pH for the activity of this enzyme. The kcat of the fully active form of the enzyme is 1 X 10 ^5 sec^-1.
In a skating stunt known as crack-the-whip, a number of skaters hold hands and form a straight line. obtain the magnitude of the centripetal force
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 75.0nC. What is the area of each plate
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