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Moment of inertia of a bike is 0.060 kgm^2. When traveling around 20 mi/hrs, makes 4.6 rev/s. Calculate the angular motion kinetic energy in Joules. (B) calculate the distance between the electrostatic interaction of K and Br ions in a molar Coulomb potential energy of -970 kj/mol in nanometers. Charge = 1.602x 10^-19 C, permittity is 8.854x10^-12 C^2/Jm