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A hollow, plastic sphere is held below the surface of a freshwater lake by a cord...

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Physics

A hollow, plastic sphere is held below the surface of afreshwater lake by a cord anchored to the bottom of the lake. Thesphere has a volume of 0.650 m3 and the tension in the cord is 830N.

A) Calculate the buoyant force exerted by the water on thesphere.

B) What is the mass of the sphere?

C) The cord breaks and the sphere rises to the surface. When thesphere comes to rest, what fraction of its volume will besubmerged?

Answer & Explanation Solved by verified expert
3.8 Ratings (579 Votes)
Solution Given Volume 0650 m3 Tension in cord 830 N a Calculate buoyant force Take density of water d 1000 kgm3 Volume of water displaced by sphere volume of sphere v 0650 m3 Weight of water displaced by sphere Ww vdg    See Answer
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