Question1
a. Write three methods of increasing the volume of a balloon without adding more molecules to it.Describe their mechanisms in brief.
b. If you have a balloon that has an assured amount of hot air and have a certain volume and you add the same amount of cold air to that balloon. What will happen to the size of the balloon?
c. If you include more air to a balloon it will sink whereas if you add more heat to the similar balloon it will rise.
Question2
An airplane flies 200 km due west from city A to city B and then 360 km in the direction of 25.0° north of west from city B to city C.
(a) In straight-line distance, how far is city C from city A?
(b) Relative to city A, in what direction is city C?