Physics, 26.09.2019 12:10, bryanmcmillianjr

Why do astronomers think that the milky way is a spiral galaxy?

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Physics, 22.06.2019 10:30, dontcareanyonemo

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Physics, 22.06.2019 11:00, stankyweezle

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