Water Is Pumped into One End of a Long Pipe

question 40

Multiple Choice

Water is pumped into one end of a long pipe at the rate of 40 L/min.It emerges at the other end at 24 L/min.A possible reason for this decrease in flow is:

• A)the water is being pumped uphill
• B)the water is being pumped downhill
• C)the diameter of the pipe is not the same at the two ends
• D)friction in the pipe
• E)a leak in the pipe

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Definitions:

Incubation

Incubation is a stage in the creative process where ideas are subconsciously processed, leading to insight or solutions after a period of rest or distraction from the problem.

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The emotional state that results from acting in ways that contradict one’s beliefs or other actions.

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A measurement indicating that an individual has cognitive abilities or intelligence significantly above the average for their age group.