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The magnetic component of an electromagnetic wave in vacuum has an amplitude of 85.8 nT and an angular wave number of 4.40 rad/m.
(a) What is the frequency of the wave?
(b) What is the rms value of the electric component?
(c) What is the intensity of the light?
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A cargo plane is flying horizontally at an altitude of 11.5 km with the speed of 820 km/h when a large crate falls out of the rear loading ramp. (Ignore any effects due to air resistance.)
Find out the magnitude of the electric field at a point P on the y-axis 0.529 m from the origin. The value of the Coulomb constant is 8.99 × 109 N • m2/C2.
Describe two different energy alternatives to fossil fuels in detail. Discuss how they work, how they compare with fossil fuels, and their relative advantages and disadvantages.
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 363 km above the earth's surface, Find the orbital speed for satellite A and satellite B
two train whistles a and b each have a frequency of 392 hz. a is stationary and b is moving toward the right away rom a
While remodelling your garage, you need to temporarily splice, end to end, an 80 m long copper wire that is 1.130 mm in diameter with a 49.0 m long aluminium wire that has the same diameter. The maximum current in the wires is 2.00 A.
a mountanier uses a global positioning system reciever to measure his displacement from base camp to the top of mount mckinely. what is the displacement in going from base camp to the top
A copper pot sits on a hot plate that is at a remperature of 140 C, How long before one half the pots contents evaporate
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