If the angular magnification of an astronomical telescope is 30 and the diameter of the objective is 65 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 axis of the instrument?
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Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?
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Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25Ëš e? this would have obliterated the city.
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The energy produced as a result of this flow of electrons from atom to atom is called
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