1. It is said that Archemedes discovered the buoyancy laws when asked by King Here of Syracuse to determine whether or not his new crown was gold (S.G. = 19.3). Archemedes found the weight of the crown in the air to be 13.0N and its weight in water to be 11.8N, was it gold or not?

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A: M= 8.66kg  V= 5.45 L =  Weight in air 84.87 N  In the fluid It is 14.9N

Q: 2. Archimedes is said to have discovered the buoyancy rules, which are called Archimedes' principle,…

A: Given:  Weight of crown in air = 5 N Weight of crown in water = 4.725 N

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A: Part-a Given: The mass of the sphere m = 429 kg. The tension in the cord T = 672 N.

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A: Given that:- V=1.093 cm3g=9.8 m/s2ρ=1 g/cc=10-3kg/cc

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A: a) Since the object is floating. The net force on the object must be zero. Hence the buoyant force…

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Q: King Hieron II asked Archimedes to determine if the crown shown below is made of pure gold or not.…

A: Given : weight of the crown when it is in air Fg = 7.84N weight when it was in water T2 = 6.84  N

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Q: 1) A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the…

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A: Option (a) is correct as the buoyant force is equal to total weight of water displaced.

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Q: A rock, which weighs 1400 N in air, has an apparent weight of 90O N when submerged in fresh water…

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Q: In the famous story, Archimedes proposed to weigh the king's crown under water to determine if it…

A: Given data:- The given value of, W1=31.6 N for part a, W₂ for a gold crown For part b, W₂ for an…

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A: Given that, Weight of rock in air = 4.5 N  weight of rock in water = 2 N

Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

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Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

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Q: A block of wood, whose volume is V = 0.050 m3, is attached to the bottom of a lake by means of a…

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Q: Four objects are placed in a tank of water. Each object is fully submerged and released from rest.…

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Q: densities of the liquids are

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Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

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Q: Three liquids that will not mix are poured into a cylindrical container. The volumes and densities…

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