Buoyancy: a Circular Cylinder of Height 1

question 16

Multiple Choice

Buoyancy: A circular cylinder of height 1.20 m having faces of diameter 0.620 m is immersed in water of density 1.00 × 10³ kg/m³ with its axis vertical so that its faces are parallel to the surface of the water. The upper face is 2.50 m below the surface of the water. The net force on this cylinder is observed to be 1120 N downward. Atmospheric pressure is 1.01 × 10⁵ Pa. What is the weight of the cylinder?

• A) 2430 N
• B) 3550 N
• C) 4670 N
• D) 10,900 N
• E) 12,100 N

---

Definitions:

Marginal Revenue

The uplift in earnings from marketing one extra unit of a product or service.

Pure Monopolist

A market structure characterized by a single seller selling a unique product in the market, without any close substitutes and with high barriers to entry for potential competitors.

Average Total Cost

Is calculated by dividing the total cost of production by the total quantity produced.

Economic Profit

The remaining amount after all explicit and implicit costs are deducted from the entire revenue.