Question

Water flows steadily through a horizontal pipe of a variable cross-section. If the pressure of water is p at a point where the velocity of flow is v, what is the pressure at another point where the velocity of flow is 2v; rhorhorhorhobeing the density of water ?

Answer 1

Answer:

sρ+2v2=sρ′+2(2v)2

⇒sρ+2v2=sρ′+2v2

⇒sρ′=sρ−23v2

ρ′=ρ−23sv2.

Explanation:

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