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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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Physics, 23.06.2019 00:00
Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?
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What is the frequency of a wave with a period of 8s?...
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