What happens to the motion molecules of a substance when they gain energy?

What were the success and failures that came to boyle’s excitements?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Which of the following electromagnetic waves can create ions?