A balloon is released from a tail bullding. nass of the including the enclosed gas is 2.0 kg. Its volume is 5.0 m. The density of air is 1.3 kg/m. 12.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/m
A balloon is released from a tail bullding. nass of the including the enclosed gas is 2.0 kg. Its volume is 5.0 m. The density of air is 1.3 kg/m. 12.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/m
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Transcribed Image Text: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 m?. The density of air is 1.3 kg/m.
12. What is the average density of the balloon?
A) 0.2 kg/m3
B) 0.4 kg/m3
C) 0.8 kg/m
D) 1.0 kg/m
E) 1.2 kg/m3
13. Will the balloon rise, fall, or remain stationary, and why?
A) The balloon will fall because its density is greater than that of air.
B) The balloon will remain stationary because its density is less than that of air.
c) The balloon will rise because the upward buoyant force is greater than its weight.
D) The balloon will fall because the upward buoyant force is less than its weight.
E) The balloon will fall because the downward buoyant force is greater than the
upward buoyant force.
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