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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?

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Category:- Physics
Reference No.:- M9720340

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