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Physics - Buoyancy - Problems with Solutions and Tutorials

buoyancy

The average human body has a density of 1.01 g/cm^3, and a weight of 178 pounds. What's the buoyant force of a person fully submerged in water? How about in the Dead Sea which has a density of 1.24 kg/L?

Answer: 176 poundforce in water, 218 poundforce in Dead Sea

Solver Input: rho_obj=1.01g/cm^3,Fw_obj=178poundforce,Fb=?poundforce,rho_fluid=1.24kg/L

Tutorial video:

buoyancy

You are interrogating Pinocchio in the Dead Sea. Pinocchio has a density of 1.01 g/cm^3. The Dead Sea has a density of 1.24 kg/L. What fraction of Pinocchio is floating above water?

Pinocchio's nose grows by 1/10 of his body size every time he lies. How many lies can he afford to tell?

Answer: Xa = 0.185

Solver Input: rho_obj=1.01g/cm^3,rho_fluid=1.24kg/L,Xa=?

Tutorial video: