Explanation:
Cuando la pelota se va por sobre la línea de costado (o sobre la línea de fondo tocada por un jugador de campo del equipo defensor) se ejecuta un saque lateral.
Answer:
C. The number of positive and negative charges can be the same.
Explanation:
The thermal efficiency of an engine is

where
W is the work done by the engine
Q is the heat absorbed by the engine to do the work
In this problem, the work done by the engine is W=200 J, while the heat exhausted is Q=600 J, so the efficiency of the machine is