Who would use more energy in a day - someone who plays a lot of sport or someone who plays a lot of computer games

Which term best describes the phrase “something that happens”?

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction