Aman walks 30m to the west, then 5m to the east in 45 seconds. what is the average velocity?

Which law represents the thermodynamic statement of the conservation of energy of a system? a. the fourth law b. the first law c. the second law d. the third law

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon