Who does more work: engineer Ed lifts a 200 N weight up to a height of 2 m and engineer Emma lifts a 50 N weight to a height of 8 m? Show your work.

Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem

This is the substance(s) formed in a chemical reaction.

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?