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A 60.0-mW pulsed laser produces a pulse of EM radiation with wavelength 1060 nm (in air) that lasts for 20.0 ps (picoseconds).
(a) In what part of the EM spectrum is this pulse?
(b) How long (incentimetres) is a single pulse in air?
(c) How long is it in water(n = 1.33)?
(d) How many wavelengths fit in one pulse?
(e) What is the total electromagnetic energy in one pulse?
A meat baster consists of a squeeze bulb attached to a plastic tube. When the bulb is squeezed and released, with the open end of the tube under the surface of the basting sauce, the sauce rises in the tube to a distance h.
A stone is thrown vertically upward. On its way up it passes point A with speed v, and point B, 4.84 m higher than A, with speed v. calculate the maximum height reached by the stone
A1.20-m-long wire has a resistance equal to0.320?. A second wire made of identical material has a length of1.90m and a mass equal to the mass of the first wire. What is the resistance of the second wire?
Miles Tugo is camping in Glacier National Park. In the midst of a glacier canyon, he makes a loud holler. He hears an echo 1.22 seconds later. How far away are the canyon walls
A bead of mass m, acted upon by a uniform graviational force,can slide freely on a frictionless circular hoop of radius R. Determine the Langrangian for the bead
The intensity on the screen at a certain point in a double-slit interference pattern is 72.0% of the maximum value. What minimum phase difference (in radians) between sources produces this result
Two pipes of the same length are both made to vibrate at their lowest resonant frequency. What is the length of the pipes?
Two cars collide at an intersection. Car A, with a mass of 1900{kg} , is going from west to east, while car B, of mass 1500{kg} , is going from north to south at 17.0{m}/{s} . As a result of this collision, the two cars become enmeshed and move as on..
When a satellite orbits the earth in a non-circular orbit which of the following is true.
A bullet of 0.0500 kg is fired into a block of wood. Knowing that the bullet left the gun with a muzzle velocity of 350. m/s, find The average force required to stop the bullet
Two violinists, one directly behind the other, play for a listener directly in front of them. Both violinists sound concert A (440 Hz), What is the smallest separation between the violinists that will produce destructive interference for the listene..
An amateur radio operator wishes to build a receiver that can tune a range from 13.8 MHz to 15.1MHz, What is the required value of the constant inductance
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