Answer:
Mechanical Energy
Explanation:
The sum of kinetic energy and potential energy of an object is its total mechanical energy.
22. reduction
25. Le Chatelier's principle
It’s mass is 100 kg, because if you divide both numbers, you get 100
If you heat that air by 100 degrees F, it weighs about 7 grams less. Therefore, each cubic foot of air contained in a hot air balloon can lift about 7 grams. That's not much, and this is why hot air balloons are so huge -- to lift 1,000 pounds, you need about 65,000 cubic feet of hot air.
