Write hcl+> mgcl 2 + h 2 o as a balanced chemical equation

Give an example in which the electrical energy changes to light energy

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

According to newton’s law of universal gravitation, which statements are true? as we move to higher altitudes, the force of gravity on us decreases. as we move to higher altitudes, the force of gravity on us increases. as we gain mass, the force of gravity on us decreases. as we gain mass, the force of gravity on us increases. as we move faster, the force of gravity on us increases.