What causes the object to float in sea water and sink in fresh water? Questions: Why do fluids exert an upward buoyant force on submerged objects? A huge spherical helium filled balloon painted to look like a cow is prevented from floating upward by a rope tying it to the ground. The balloon plastic structure plus all the helium gas inside of the balloon has a total mass of 9.20 kg. The diameter of the balloon is 3.50 m. The density of the air is 1.23 kg/ m3. What is the tension in the rope?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Answer the following:

What causes the object to float in sea water and sink in fresh water?

Questions:

  1. Why do fluids exert an upward buoyant force on submerged objects?
  2. A huge spherical helium filled balloon painted to look like a cow is prevented from floating upward by a rope tying it to the ground. The balloon plastic structure plus all the helium gas inside of the balloon has a total mass of 9.20 kg. The diameter of the balloon is 3.50 m. The density of the air is 1.23 kg/ m3. What is the tension in the rope?
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