Un cuerpo flota con el 70% de su volumen sumergido en agua. Cuando se sumerge en un liquido desconocido flota con el 40% de su volumen sumergido ¿Cual es la densidad del liquido desconocido en 103kg/m3?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.

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Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?