ES URGENTE Un cuerpo cae libremente tardando 7 s en llegar al suelo.
a) ¿Desde qué altura se le dejo caer?
b) ¿Con que velocidad, en km/h, llega al suelo?

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.