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Problem: A ray in air is incident on a glass plate whose index of refraction is 1.42, the angle of incidence is 30°.
Part A: What is the angle of refraction?
Show your work to receive full credit for this problem to find the angle of refraction.
A 5/8 in (inside) diameter garden hose is utilized to fill a round swimming pool 5.58 m in diameter. How many days will it take to fill the pool to a depth of 1.24 m if water issues from the hose at a speed of 0.362 m/s?
Two skaters each of mass 50 kg approach each other along prallel paths separated by 3 m. describe quantitativley the motion of the skaters after they have become connected by the pole
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Ansel places an object 30.0 cm from a thin convex lens along the axis. If a real image forms at a distance of 10.0 cm from the lens, what is the focal length of the lens
A potential barrier has height Vo = 1.0 eV and width 1 A. What is the probability that an electron, with kinetic energy0.25 ev will tunnel during the barrier in one minute? What is the probability for a proton through the same energy?
q. a 30 gram mass is hanging from a spring whose unstretched length is 20 cm and whose spring constant is 2.5 nm. in
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