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4. In this experiment students measure the force (F) holding a 2.0 kg mass on rotating platfornm of radius r when the mass is traveling at different velocities (v). The centripetal force acting on an object of mass m can be expressed as mv E N 2.0 v (m/s) 0.46 0.55 0.61 0.70 0.78 4.0 5.0 6.0 Plot a graph for this data and find the radius from your linear fit equation assuming that m 2.0 kg. Note: 1 N = 1 kg m/s let y = Eqn in y = mx+b form: let x = Slope from equation Radius Slope from graph-

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