A hydrogen-filled balloon that weighs 10 N must displace ____ N of air in order to float
Chapter 0, Problem 3(choose chapter or problem)
A hydrogen-filled balloon that weighs 10 N must displace ____ N of air in order to float in air. If it displaces less than N it will be buoyed up with N and sink. If it displaces N of air it will move upward.
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