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LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.0-mm-diameter laser beam with a wavelength of 193 nm. Each laser pulse lasts 15 ns and contains 1.9mJ of light energy.
A) What is the power of one laser pulse?
B) During the very brief time of the pulse, what is the intensity of the light wave?Express your answer to two significant figures and include the appropriate units for both questions.
A pulsed carbon dioxide laser has an energy output of 1.00 J. This energy is released in the form of a 10^9 W pulse of infrared radiation lasting 10^-9 s, Find the equivalent capacitance of the network
A slab of glass with an index of refraction of 1.55 is submerged in a liquid with an index of refraction of 1.25. Find the angle of refraction for the angle of incidence of 60°
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A uniformly dense 50 cm rod with a total mass of 0.2 kg is standing perfectly vertically on a horizontal surface. What is the magnitude of the angular acceleration of the rod
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Considering only the gravitational forces that the spheres exert on each other, illustrate what is the magnitude of the initial acceleration of the third sphere?
A lawn mower has a flat, rod-shaped steel blade that rotates about its center. What is the rotational energy of the blade at its operating angular speed of 3480 rpm
9.00 of aluminum at and 19.0 of copper are dropped into 51.0 of ethyl alcohol at. What is the initial temperature of Copper
A fireworks rocket explodes at a height of 100 m above the ground. What is the total sound energy of the explosion
A very long, thin straight line of charge has a constant charge density of 20 pC/cm. How far does the electron go before it comes back
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