If the potential difference across the cell is 12v calculate the current through the cell​

At what time will the interfering waves have an amplitudeof zero?

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?

A10n falling encounters 10n of air resistance (upward force). the net force on the object is: