Physics, 30.03.2020 22:52 wildfire771003
If the angular magnification of an astronomical telescope is 42 and the diameter of the objective is 72 mm, what is the minimum diameter of the eyepiece required to collect all the light entering the objective from a distant point source located on the telescope axis?
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Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
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If an object is thrown in an upward direction from the top of a building 1.6 x 102 ft. high at an initial velocity of 21.82 mi/h, what is its final velocity when it hits the ground?
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If the angular magnification of an astronomical telescope is 42 and the diameter of the objective is...
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