Alternative between running snd walking

In order to do work, the force vector must be question 1 options: in a different direction than the acceleration vector. in a different direction than the displacement vector. in the same direction as the displacement vector and the motion. in the same direction as the acceleration vector.

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

The amount of potential energy possessed by an elevated object is equal to what?