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LASIK eye surgery utilizes pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.4-mm-diameter laser beam with a wavelength of 193nm. Each laser pulse lasts 12ns and contains 1.0mJ of light energy
Part A
What is the power of one laser pulse?
Part B
Through the very brief time of the pulse, what is the intensity of the light wave?
Soles of boots that are designed to protect workers from electric shock are rated to pass a maximum rms current of 1.5mA, What is the minimum allowed resistance of the sole
A large balloon of mass 222 kg is filled with helium gas until its volume is 335 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. Calculate the buoyant force acting on the balloon
A vertical straight wire carrying an upward 26 A current exerts an attractive force per unit length of 9.0*10^-4 N/m on a second parallel wire 9.0 cm away
A droplet of ink in an industrial ink-jet printer carries acharge of 1.6x10-11 coulombs and is deflected ontopaper by a force of 3.2x10 -4 newtons. Find thestrength of the electric field to produce this force.
a he-ne laser cavity has a cylindrical geometry with length 30cm and diameter 05cm. the laser transition is at 633nm
A tank holds a layer of oil, 1.58 m thick, which floats on a layer of syrup that is 0.66 m thick. Both liquids are clear and do not intermix. A ray, The index of refraction of the syrup is closest to:
question a 5.0- strand of dna carries charge per of length. treating it as a charged line whats the electric field
Legend has it that, many centuries ago, Archimedes jumped out of his bathtub and ran across town naked screaming "Eureka!" after he solved an especially difficult problem.
An electrically neutral model airplane is flying in a horizontalcircle on a 3.0m guideline, which is nearly parallel to theground. The line breaks when the kinetic energy of the plane is 50.0 J. Reconsider the same situation, except that now there..
A camera maker wants to minimize the light reflected from the front of a camera lens. A coating is applied to the lens with an index of refraction of 1.55 and the lens itself has an index of refraction of 1.48.
The Baretta Model 92S has a barrel 127 mm long. determine how long is the bullet in the barrel?
Four identical point charges (+3.17nC) are placed at the corners of a rectangle, what is the potential at the geometric center of this rectangle
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