Imagine That You Have Been Given the Job of Designing

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