Solve Prob. 6.42 using the following values: Q = 0.30 m³/s, D₁ = 30 cm, and D₂ = 10 cm. (ρ = 1000 kg/m³.)

Data from Prob. 6.42 

Water (at 50°F) flows through this nozzle at a rate of 25 cfs and discharges into the atmosphere. D₁ = 20 in., and D₂ = 9 in. Determine the force required at the flange to hold the nozzle in place. Assume irrotational flow. Neglect gravitational forces.

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2) D2