A point charge q_1= 1nC is placed at the following position in the x-y plane: at (x, y)= (0,3m). Calculate the magnitude of the electric field at the point P: (x, y)=(0,0).

What property is a characteristic of a substance that can be observed and does not change the identity of the substance

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static