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The magnetic component of an electromagnetic wave in vacuum has an amplitude of 84.6 nT and an angular wave number of 4.10 rad/m.
(a) What is the frequency of the wave? (In Hz)
(b) What is the rms value of the electric component? (In V/m)
(c) What is the intensity of the light? (In W/m^2)
A 10-kg picture is held in place by two wires, the first hanging at 35.0° to the left of the vertical and the second at 45.0° to the right of the vertical. What is the tension (in N) of the first wire
An outside loudspeaker (considered a small source) emits sound waves with a power output of 80 W. Find the intensity level in decibels at that distance
A football is kicked at an angle of 28.4 degrees above horizontal and with an initial speed of 27.9. The ball lands on a level field. Determine The range of the football
An electron is observed traveling at a speed of 25.7·106 m/s, How far will the electron travel before coming to a stop
Ball A is attached to one end of a rigid massless rod, while an identical ball B is attached to the center of the rod. Each ballhas a mass of m= 0.50 kg, and the length of each half rodis L= 0.1m.
When the pitcher throws his fastball aimed at the clay, the ball becomes embedded in the clay and the two swing up to a maximum height of 0.11 m. If the mass of the baseball is 0.21 kg, find out the speed of the pitch. Please provide step by step ..
A pendulum clock has an aluminum pendulum exactly 1.0 m long when the clock is calibrated perfectly. By how much is it off at the end of one day
In an eye that is farsighted, the eye focuses parallel rays so that the image would form behind the retina. In an eye that is nearsighted, the image is formed in front of the retina.
In a series L-R-C circuit, the components have the following values: L = 18.0 mH, C = 170 nF, and R = 380 ohms. The generator has an rms voltage of 120 V and a frequency of 1.25 kHz. Determine the average power supplied by the generator. P=_____W Det..
Two point charges of equal magnitude are 6.1 cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 37 N/C
hen there's no torque applied, it slows down from 1800 rpm to rest in 57.0 s. Now we want to make it come to rest from 1200 rpm in 4.00 s by applying a constant torque on it. What is the minimum torque applied
The output voltage of an AC generator is given by ?v = (160 V) sin (50?t). The generator is connected across a 19.0-? resistor, By inspection, what is the maximum voltage
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