Mathematics, 04.01.2020 04:31 TYUqnn2077
Helium is used for balloons because it is less dense than air. this is what allows helium balloons to rise. suppose a helium- air mixture in a spherical balloon with a diameter of 1 foot has a density of 0.04 pounds per cubic foot. what is the weight of the gas mixture in the balloon?
a. about 0.02 pounds
b. about 0.03 pounds
c. about 0.04 pounds
d. about 0.52 pounds
Answers: 1
Mathematics, 21.06.2019 18:40
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