In 2006 it took NASA’s Pluto probe “New Horizons” 8.5 hours to reach the moon. If the moon is 238,900 miles away, how fast was it traveling?

the bal will not change its velocity.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.