Physics, 08.07.2019 17:20 chessacs6540
Atelevision camera is positioned 4000 ft from the base of a rocket launching pad. the angle of elevation of the camera has to change at the correct rate in order to keep the rocket in sight. also, the mechanism for focusing the camera has to take into account the increasing distance from the camera to the rising rocket. let's assume the rocket rises vertically and its speed is 600 ft/s when it has risen 3000 ft. (round your answers to three decimal places.) how fast is the distance from the television camera to the rocket changing at that moment?
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Two 1.20-m nonconducting wires meet at a right angle. one segment carries + 2.50 µc of charge distributed uniformly along its length, and the other carries - 2.50 µc distributed uniformly along it, as shown in fig. 21.50. ( a. find the magnitude and direction of the electric field these wires produce at point p, which is 60.0 cm from each wire. ( b. if an electron is released at p, what are the magnitude and direction of the net force that these wires exert on it?
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Atelevision camera is positioned 4000 ft from the base of a rocket launching pad. the angle of eleva...
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