Answer to Question #89879 in Quantum Mechanics for naledi

Question

Solid 100.0-kg samples of gold (SG=19), iron (SG=7.8), and aluminium (SG=2.70) are thrown into a container of water and sink to the bottom.
3.1.1 Which sample has the greatest volume? (Choose from: gold; iron; aluminium or all tie)[1]
3.1.2 Which sample experiences the greatest buoyant force? (Choose from: gold; iron; aluminium or all tie) [1]
3.1.3 Calculate the buoyant force acting on the aluminium sample, when completely submerged in the water. [5]
3.2 The diagram of Figure 4 shows a hydraulic system using oil as the fluid. The pistons’ radii are 2.0 cm and 32.0 cm. An external force of F1 = 10.0 N is applied to the smaller piston. Ignore the weight of the pistons themselves

Answer 1

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