The power applied to move the box anywhere is
(20 n) x (distance moved) / (time to move the distance) .
Solar cells are used to trap sunlight energy (light energy) and convert it to electric energy for domestic and other purposes.
From convection of magma under the earths crust makes the plates slowly move and as they move over time they build up potential energy from the different plates grinding against each other and after so long the plates will lose there grip on each other and release the potential energy they've been building up for so long as kinetic energy causing what you know as an earthquake hope this helps please give brainliest
Answer: the answer would be four thousand
Explanation: hope this helps