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Physics, 22.11.2019 06:31 Woodsydal2390
You buy a magnifying glass at the store. the lens in the magnifying glass is a double convex lens, a lens with two convex curved surfaces. you determine the focal length of the lens is +25 cm. of both sides of the lens have about the same radius of curvature and the lens is made of a glass with index of refraction 1.6, what is the radius of the glass surfaces?
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Physics, 21.06.2019 23:20, shirlsmith72
From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a. m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?
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Physics, 22.06.2019 11:20, leandrogarin37p2g5ds
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
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You buy a magnifying glass at the store. the lens in the magnifying glass is a double convex lens, a...
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