Answer:
Heat is added to a substance, but its temperature does not rise. Which one of the following statements provides the best explanation for this observation? the substance must be a gas. the substance must be a non-perfect solid. the substance undergoes a change of phase. the substance has unusual thermal properties. the substance must be cooler than its environment.
Answer:
She will have to ride her scooter approximately 10 minutes.
PE = mgh, g= 9.8 m/s^2
10 kg * 9.8 m/s^2 * 300 m
= 29400 J
At a temperature of absolute zero, all molecular motion stops.
Answer:
never ever ever never never ever :)
Explanation: