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Calculate the mass of a body in kg if it has a kinetic energy of 38.6 Nm when moving at 31.5 km/h.
Calculate the mass of a body in g if it has a kinetic energy of 94.6 mNm when moving at 2.25 m/s.
Calculate the velocity in m/s of a 12-kg object if it has a kinetic energy of 15 Nm.
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