Question: A horizontal water pipe has a section where the diameter is reduced by ( 1 ) / ( 2 ) . According to Bernoulli s

A horizontal water pipe has a section where the diameter is reduced by (1)/(2). According to Bernoullis equation, what happens to the water pressure in this section?
The water pressure is the same.
The water pressure is less.
The water pressure is greater.
We cannot predict how the water pressure changes

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