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Problem: We want to couple the energy of a metal vapor laser beam of wavelength (lambda=628nm) into a fiber optic cable. The beam of the laser has a cross-sectional area of 10mm2 and all the energy from the beam has to be coupled into a diameter of 2.5um (fiber core). A lens is used to couple the laser beam into the fiber core.
Part A: What should be the focal length f of the lens to be able to couple the beam into the fiber core?
I need help to find the focal length f of the lens to be able to couple the beam into the fiber core.
A 3.40 g coin is positioned 16.0 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of mu_s = 0.720 and mu_k = 0.480. What is maximum angular velocity with which the turntable can sp..
An object experiencing a constant force accelerates at12 m/s. What will the acceleration of this object be if the force is halved
A block of mass m is released from rest a height hi on a frictionless inclined plane that makes an angle theta with the horizontal. Find the maximum height of the mass
A novice skier, starting from rest, slides down a frictionless 35.0 Degrees incline whose vertical height is 185 m. How fast is she going when she reaches the bottom
Light of wavelength 616 nm falls on a double slit, and the first bright fringe of the interference pattern is seen at an angle of 14.6° with the horizontal. Find the separation between the slits
What is the minimum diameter mirror on a telescope that would allow you to see details as small as 4.90 km on the moon some 384000 km away
A 57.0-g tennis ball is traveling straight at a player at 21.0 m/s. The player volleys the ball straight back at 25.0 m/s. what average force acts on the ball
a satellite would have a mass of 200 kg on the surface of the moon. determine the weight of the satellite in pounds
Two tugboats pull a disabled super tanker. Each tug exerts a constant force of 1.20×106 \rm N, one at an angle 19.0^\circ west of north, and the other at an angle 19.0^\circ east of north, as they pull the tanker a distance 0.670 \rm km toward the no..
A person is riding a bicycle, and its wheels have an angular velocity of 22.7 rad/s. What is the anguar acceleration (in rad/s2) of each wheel
A uniform circular disk of mass 0.0240 kg and radius0.400 m hangs vertically on a fixed, frictionless horizontal hingeat a point on its circumference. A beam of electromagneticradiation with intensity 10.0 x 106 W/m2 isincident on the disk in a di..
a what is the magnitude and direction of the cars acceleration as it slows down?b how far does the car travel in the
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