Water Flows in a Flexible Tube of Radius 1

question 61

Multiple Choice

Water flows in a flexible tube of radius 1.5 cm at the floor level of a house.If the tube is joined to a second tube of smaller radius (1.2 cm) ,what is the speed of water in this smaller radius tube at a height of 7.2 m above the floor?

• A) 8.9 m/s
• B) 4.5 m/s
• C) 13.9 m/s
• D) 11.1 m/s

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Definitions:

Interpretive

Relating to or involving interpretation, especially in the context of analyzing texts, symbols, or social interactions.

Word-Superiority Effect

The phenomenon whereby people have better recognition of a letter when it is presented within a word than when it is presented in isolation or in a nonword.

Vocabulary

The set of words known and used by a person in a language.

Mechanics

The branch of physics that deals with the motion of objects and the forces that affect them, including both classical mechanics and quantum mechanics.