Physics, 24.03.2020 03:44 kingmichael2xx
A swimmer enters a gloomier world (in one sense) on diving to greater depths. Given that the mean molar absorption coeffi cient of seawater in the visible region is 6.2 × 10−5 dm3 mol−1 cm−1 , calculate the depth at which a diver will experience (a) half the surface intensity of light and (b) one-tenth that intensity.
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True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.
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Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
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A swimmer enters a gloomier world (in one sense) on diving to greater depths. Given that the mean mo...
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