The discussion focuses on the impact of nozzle size on water speed and pressure in a garden hose system. Given a hose diameter of 0.62 inches and an initial water speed of 0.52 m/s with a pressure of 1.3 atmospheres, the nozzle diameter is 0.21 inches. The key equation used is v2 = v1(A1/A2), which allows for the calculation of water speed in the nozzle and the subsequent pressure change. The correct approach emphasizes the need to avoid unnecessary additions in the equations used for calculations.
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mandi_babe1 said:Homework Equations
v2=v1(A1/A2)
mandi_babe1 said:Homework Statement
A garden hose with a diameter of 0.62in has water flowing in it with a speed of 0.52m/s and a pressure of 1.3 atmospheres. At the end of the hose is a nozzle with a diameter of 0.21 in.
a.)Find the speed of the water in the nozzle.
b.)Find the pressure in the nozzle.
Homework Equations
v2=v1(A1/A2)
The Attempt at a Solution
100+1/2(?)1.22=50+1/2(?)v2