Un diapasón vibra con una frecuencia de 250 hz. Si su sonido se propaga en el aire con una rapidez de 340 m/s entonces su longitud de onda es: rta;

Ayuden pls<3

answer: option c. i.e. electric current flowing “downhill” from the negative electrode to the positive electrode in a battery

explanation:

the water analogy to the circuits define the pipes (water flows) to the electric current. now, we know that the electric current flows from the positive terminal to the circuit (as shown in the diagram attached).

hence, option c is the correct answer.

the answer is 3.1 his answer is wrong mines is right

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

it's a b and