If you chose an atom at random from a box full of helium at room temperature and measured its kinetic energy, what is the value you are most likely to measure? does this make sense?

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.

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

What is part of a line has one endpoint and continues in one direction?