The liquid in the first pipe was flowing at an average speed of 18 centimeters per second. When it flowed into the second pipe,

Question

The liquid in the first pipe was flowing at an average speed of 18 centimeters per second. When it flowed into the
second pipe, the average speed increased to 72 centimeters per second. If the radius of the first pipe was
4.6 centimeters, what was the radius of the second pipe?

Kunduz · Accepted Answer

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