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A plane sinusoidal electromagnetic wave in air has a wavelength of 3.84 cm and an E-field amplitude of 1.35 V/m.
(a) What is the frequency?
(b) What is the B-field amplitude?
(c) What is the intensity?
(d) What average force does this radiation exert on a totally absorbing surface with area 0.240 m2 perpendicular to the direction of propagation?
At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 6.35 m above the water. find the number of revolutions she makes while on the way down
If a pipe wrench of length 18 cm is positioned vertically on pipe, with the handle pointing up, and a force of 150 N, what is the torque on the pipe
What is the critical angle for light to stay inside a thin glass rod (n = 1.72) surrounded by air
According to present theories of light, in some experiments light seems to be: 1)composed of particles which can neither be created nor destroyed. 2)a particle whose quantized energy depends on its velocity. 3)a wave that moves from one place to anot..
A 77.5 kg bobsled is pushed along a hor- izontal surface by two athletes. After the bobsled is pushed a distance of 5.0 starting from rest, Find the magnitude of the net force on the bobsled
A 60.0g ice cube can slide without friction up and down a 33.0 slope. what distance will it travel up the slope before reversing direction
A generator has a square coil consisting of 320 turns. The coil rotates at 67 rad/s in a 0.34 T magnetic field. What is the length of one side of the coil
What is formula for the acceleration a of the cart in terms of the tension T, and its mass M? make use of the two equations you found above to eliminate T to give the acceleration of the cart in terms of M, m and g. Compute the numerical value for..
question1the period of a simple pendulum defined as time necessary for one complete oscillation is measured in time
A runner covers one lap of a circular track 40.0m in diameter in 63.3s. what were her average velocity(in m/s) for that half-lap
A 1.5 V battery is rate at 1,800 milliamp hrs (mAh). How much electrical energy (in joules) is stored in the battery when it is new
A tiny drop of dye is put in a very still tub of water, calculate the average distance traveled and the standared deviation after: one step, one minute and one year (3.17x10^7 sweconds)
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