I believe the answer would be 446.9 J.
Answer:
Outer Shell
Explanation:
an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom. An electron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms. read more
A. 314 because when you use the formula for the GPE ; GPE=MGH or means mass times gravity time height (4x8x9.8) and thats equivalent to 313.6 which rounds up to 314. Hope it helps
In the push-up, the athlete's weight (or force) of 250 N moves through a distance of 20 cm.
By definition,
Work = force * distance.
Therefore, work done in one push-up is

Note that 1 J = 1 N-m.
Answer: 1 J