Physics > 2012 > 18
JAMB UTME
A balloon whose volume is 300m3is filled with hydrogen.
If the density of air is 1.3kgm-3,find the upthrust on the balloon.
[g = 10ms-2]
If the density of air is 1.3kgm-3,find the upthrust on the balloon.
[g = 10ms-2]
A.
3000N
B.
3800N
C.
3900N
D.
4200N
Answer: C
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