Determine the Minimum Area of a Flat Ice Floe 1

question 23

Multiple Choice

Determine the minimum area of a flat ice floe 1.0 meter thick if it is to support a 2 000-kg car above seawater. (ρ_ice = 920 kg/m³, ρ_sea = 1 020 kg/m³.)

• A) 20 m²
• B) 40 m²
• C) 60 m²
• D) 80 m²
• E) 100 m²

---

Definitions:

Straight-Line Depreciation

A method of calculating the depreciation of an asset which spreads the cost evenly across the useful life of the asset.

Average Rate of Return on Investment

An investment's return expressed as an annualized percentage, calculating how much an investment has gained compared to its initial cost.

Compound Interest

The interest calculated on the initial principal, which also includes all of the accumulated interest of previous periods of a deposit or loan.

Average Rate of Return

The ratio of the average annual profit earned through an investment to the original investment, expressed as a percentage.