Un elevador ejerce una fuerza de 8000 N para elevar a los pasajeros 15 m. ¿Cuánto trabajo está haciendo el
elevador?
El elevador está haciendo
J de trabajo

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?