Water Flows Through a Pipe of Diameter 8

question 11

Multiple Choice

Water flows through a pipe of diameter 8.0 cm with a speed of 10.0 m/s.It then enters a smaller pipe of diameter 3.0 cm.What is the speed of the water as it flows through the smaller pipe?

• A)1.4 m/s
• B)2.8 m/s
• C)27 m/s
• D)54 m/s
• E)71 m/s

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Definitions:

Specific Rotation

A measure of the degree to which a compound can rotate plane-polarized light, specific to its concentration and the length of the light path through the sample.

(S)-glyceraldehyde

The S-configuration enantiomer of glyceraldehyde, which serves as a standard for determining the absolute configuration of chiral molecules.

(R)-glyceraldehyde

A carbohydrate that is the R-enantiomer of glyceraldehyde, serving as a simple monosaccharide and a basic building block for more complex sugars.

(-)-glyceraldehyde

A specific stereoisomer of glyceraldehyde, a simple sugar molecule that serves as an intermediate in several metabolic pathways.