A balloon whose volume is 300m 3 is filled with hydrogen. If the density of
PHYSICS
JAMB 2012
A balloon whose volume is 300m3 is filled with hydrogen. If the density of air is 1.3 kgm-3, find the upthrust on the balloon. [g = 10ms-2]
- A. 3000N
- B. 3800N
- C. 3900N
- D. 4200N
Correct Answer: C. 3900N
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