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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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The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?
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Drop a book and a piece of paper side by side. Now, put the piece of paper flat on top of the
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