A balloon is released from a tall building. The total mass of the balloon including the enclosed gas is 2.0 kg. Its volume is 5.0 m3. The density of air is 1.3 kg/m3.
-What is the average density of the balloon?
A) 0.2 kg/m3
B) 0.4 kg/m3
C) 0.8 kg/m3
D) 1.0 kg/m3
E) 1.2 kg/m3
Correct Answer:
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