Imagine That You Have Been Given the Job of Designing

question 21

Multiple Choice

Imagine that you have been given the job of designing a fountain to be the centrepiece of a new shopping mall on the Gold Coast. The fountain will consist of a single upward jet of water, launched from a pipe of radius 2 mm and length 1.2 m. The pipe is fed by recycled water, pushed by a pump which produces a pressure difference of 50 000 Pa. How high will the water in the fountain go? The viscosity of water is 0.001 Pa s, and g = 9.8 m s-2.

• A) 1.3 m.
• B) 5 m.
• C) 11 m.
• D) 22 m.
• E) 44 m.ANS

---

Definitions:

Differential Profit

The change in profit resulting from choosing one option over another in decision-making processes.

Fixed Expenses

Costs that do not change with the level of production or sales activities, such as rent, salaries, and insurance.

Variable Factory Overhead

Expenses in a factory that vary with the level of production output, such as utility costs and materials.

Fixed Costs

Expenses that do not change with the level of production or sales over the short term, such as rent or salaries.