what is the independent variable and the dependent variable, if there are 100 winds of cooper, large gauge, and 100 volts?

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere

How much work would it take to move a coulomb charge across a 4 volt potential difference?

2) a cubical block of stone is lowered at a steady rate into the ocean by a crane, always keeping the top and bottom faces horizontal. which one of the following graphs best describes the buoyant force b on this block as a function of time t if the block just enters the water at time t = 0 s?