A que altura debe moverse un costal de cemento de 50kg para asegurar que su energía potencial sea de 10,500 j?

cuz he's blad

explanation:

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .