(10 %) Problem 4 A zlewith and us of 0.29mis attached to a garden hose with andi

Question

(10 %) Problem 4 A zlewith and us of 0.29mis attached to a garden hose with andi sof095c The flow ra e through how and nozzle is 055 Ls Randomized Varlables rn 029 cm r 0.95 cm ?50% Part (a) Calculate the manmum height to which water could be squined with the hse if it emerges from the nozzle in m. Grade Semmary Potential 100% cotan asin acs atan) acolan sinh O Degrees Radians Submit W dedctio pr hint. Hints maining 50% Part (b) Calculate the maximum height (in cm) to which water could be squirted with the hose if it emerges with the notele removed. assuming the same flow 3 6 8 0 2 command option

Explanation / Answer

4. (A) Q = A v

0.55 x 10^-3 m^3 / s = (pi)(0.29 x 10^-2)^2 v

v = 20.8 m/s

and rho g h = rho v^2 /2

h = v^2 / 2 g = (20.8^2) / (2 x 9.8)

h = 22.1 m .............Ans

(B) 0.55 x 10^-3 = pi (0.95 x 10^-2)^2 v

v = 1.94 m/s

h = 1.94^2 / (2 x 9.8 ) = 0.19 m

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