The surface of a cube is 13 1/2 cm squared. how long is one side of the cube

A cube has 6 sides. Divide the surface area by 6 to get the area of one side:

13 1/2 /6 = 2 1/4

The area of one side is S^2

To fins the length of the sides find the square root of the area:

Side = sqrt(2 1/4)

Side = 1 1/2 cm.

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v