Nascar fans love race day when they get a chance to cheer on there favorite racer if a driver was able to travel 600 miles in 3 hours what was his average speed ( in miles per hour

Compare and contrast physical changes with chemical changes.

What is the standard unit of measure for acceleration?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?