Question: Any object, be it a space satellite or a molecule, must attain an initial upward velocity of at least 11.2 km/s in order to escape

Any object, be it a space satellite or a molecule, must attain an initial upward velocity of at least 11.2 km/s in order to escape the gravitational attraction of the earth. What would be the kinetic energy in joules of a satellite weighing 2354 lb that has the speed equal to this escape velocity of 11.2 km/s?

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