If a person walks forwards five meters but then moves back one meter, what is their displacement?

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

As you lift an 88 n box straight upward you produce a power of 72 w. what is the speed of the box?