Se tienen dos tazas de agua caliente. La taza M contiene 100 gramos de agua a 30 ºC y la tasa N contiene 100 gramos de agua a la 70 ºC . Si se vierte el contenido de N en M de modo que no exista perdida de calor, la temperatura a la que llegará la mezcla es

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine