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16-12-2022
Physics

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A 4kg mass on the end of a string rotates in a circular motion on a horizontal frictionless table The mass has a constant speed of 2 m/s and the radius of the circle Is 0.8 m. What is the magnitude of the resultant force acting on the mass? Select one: a,39 N b. 15N c. 10 N d. 20 N

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