Un electrón es extraído de un metal con una energía cinética de 1,8 eV. Si la función trabajo del metal es el 25% de la energía del fotón incidente, determine la función trabajo del material.

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Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

To a of 4 x hz is 1. 0. mm nm nm