Una pantalla está separada 1,21 m de una fuente de doble rendija. La distancia entre las dos rendijas es de 0,029 mm. La franja brillante de segundo orden (m=2) se mide en 4,50 cm desde la línea central. Determine la longitud de onda de la luz que incide sobre la pantalla, en nm.

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?

How do you know how many valence electrons an atom has?

Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b. w c. v d. u