Water at a pressure of 3.00 × 105 Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section?

The speed of the flow in the narrow section is .

To find the speed of the flow in the narrow section, We use equation of continuity.

Given that , initial speed

Let us consider that, initial cross-section area is.

When the pipe narrows to one-fourth its original diameter.

Then,   Area  

Substituting values in above equation.

Hence, the speed of the flow in the narrow section is .

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The answer is ""

Explanation:

Using the formula for equating the continuity equation:

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