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A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere has a volume of 0.700m^3 and the tension in the cord is 800N .

Part A Calculate the buoyant force exerted by the water on the sphere.

Part B What is the mass of the sphere?

Part C The cord breaks and the sphere rises to the surface. When the sphere comes to rest, what fraction of its volume will be submerged?

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Category:- Physics
Reference No.:- M9883232

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