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A plane sinusoidal electromagnetic wave in air has a wavelength of 3.84 centimeter and electric field amplitude of 1.35 V/m.
(a) Determine the frequency of the wave?
(b) Determine the magnetic field amplitude?
(c) Determine what is the intensity?
(d) Find what average force does the radiation exert perpendicular to the direction of propagation on a totally absorbing surface with area of 0.240 m2.
a 9.0 kg mess kit sliding on a frictionless surface explodes into two 4.5 kg parts one moving at 3.0 ms due north and
If the mass of a sliding block is tripled at the equal time the net on it is tripled, how does the resulting acceleration compare with original acceleration?
a person exerts force of 35n on the end of an door 88 cm wide, what is the magnitude of torque if the force is exerted perpendicular to the door
An Olympic long jumper is capable of jumping 8.5m .Assuming his horizontal speed is 9.5m/s as he leaves the ground, How high does he go
a 50 w light bulb shines through two polarizers. after having passed through the first polarizer the electric field
the electric field in a certain region of space has components ex 6.0 nc ey 7.0 nc and ez 0. find the electric flux
Rare 1918 "Jenny" stamp, depicting a misprinted, upside-down Curtiss JN-4 "Jenny" airplane, was sold at auction for $525,000. A collector uses a simple magnifiying glass to examine the "Jenny," obtaining a linear magnification of 2.4 when the stam..
A guitar string produces 4 beats per second when sounded with a 350-Hz tuning fork and 9 beats per second when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string
you and maria each own identical spaceships. As you fly past maria, you measure her ship to be 89 m long and your own ship to be 100 m long. How fast is Maria moving relative to you
It takes a student t = 7.6 s to push a block m = 11 kg at a constant velocity over a distance of d = 8.2 m. Write an expression for the energy required to move the block along this path in terms of the variables provided
A 225 gram arrow is shot vertically into the air from an initial height of 1.40 meter above the ground with an initial speed of 18.6 m/s. find the amount of mechanical energy dissipated by air friction
Tom the cat chases a Jerry the mouse across a 1.2m high table. Jerry steps out of the way at the last second, and Tom slides off the table and strikes the floor 1.5m from the edge of the table.
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