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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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Give an example in which the electrical energy changes to light energy
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Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?
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A framed picture hangs from two cords attached to the ceiling.
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