5.48 The hydraulic dredge shown in Fig. P5.48 is used to dredge sand from a river bottom. Estimate the thrust needed from the pro- peller to hold the boat stationary. Assume the specific gravity of the sand/water mixture is SG = 1.4. 9 ft: Prop 2-ft diameter 30 ft/s 30°

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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5.48 The hydraulic dredge shown in Fig. P5.48 is used to dredge
sand from a river bottom. Estimate the thrust needed from the pro-
peller to hold the boat stationary. Assume the specific gravity of
the sand/water mixture is SG = 1.4.
-9 ft
Prop
Figure P5.48
30 ft/s
2-ft diameter
30°
Transcribed Image Text:5.48 The hydraulic dredge shown in Fig. P5.48 is used to dredge sand from a river bottom. Estimate the thrust needed from the pro- peller to hold the boat stationary. Assume the specific gravity of the sand/water mixture is SG = 1.4. -9 ft Prop Figure P5.48 30 ft/s 2-ft diameter 30°
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