The light-year (ly) is a unit of distance commonly used in astronomy. it is defined as the distance traveled by light in a vacuum in one year.

How many times did thomas edison mess up the light bulb

When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(ii) sulfate is reduced to lead at the cathode and oxidized to solid lead(ii) oxide at the anode. suppose a current of is fed into a car battery for seconds. calculate the mass of lead deposited on the cathode of the battery.

Metals are good conductors of electricity because they