Magnifying power of an astronomical telescope
The magnifying power of an astronomical telescope in the normal adjustment poition is 20.If the lenght of the telescope is 105 cm in this adjustment, Find the focal lengths of the 2 lences.
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Water at 20 degrees celcius flows by gravity through a smooth pipe from one reservoir to a lower one. The elevation difference is 60m. The pipe is 360 m long, with a diameter of 12cm. Calculate the expected flow rate in m^3/h. Neglect minor losses
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A square plate of edge length 12.0 cm and negligible thickness has a total charge of 5.80 x 10-6 C. Estimate the magnitude E of the electric field just off the center of the plate (at, say, a distance of 0.50 mm from the center) by assuming that t
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