5. If you walk 70 meters north in 5 minutes and 20 meters south in 15 seconds. What was the average speed and velocity

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.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

The ability to make things happen is also called a. heat b. force c. matter d. energy