4 A 25mm diameter stream flows at 5m/s against the blade and is deflected 120° as shown. (1)If the blade is moving to the left at 3m/s, determine the force F of the blade on the water (2)If the blade is moving to the right at 2m/s, determine the force F of the blade on the water (3)At what speed must the blade moving to the right to reduce the force F to zero?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Fluid Mechanics Problem 

4
A 25mm diameter stream flows at 5m/s against the blade and is deflected 120° as
shown.
(1)If the blade is moving to the left at 3m/s, determine the force F of the blade on the water
(2)If the blade is moving to the right at 2m/s, determine the force F of the blade on the water
(3)At what speed must the blade moving to the right to reduce the force F to zero?
(1) 3m/s
(2) 2m/s
130°
(3) ? m/s
5m/s
F
20 mm
2
Transcribed Image Text:4 A 25mm diameter stream flows at 5m/s against the blade and is deflected 120° as shown. (1)If the blade is moving to the left at 3m/s, determine the force F of the blade on the water (2)If the blade is moving to the right at 2m/s, determine the force F of the blade on the water (3)At what speed must the blade moving to the right to reduce the force F to zero? (1) 3m/s (2) 2m/s 130° (3) ? m/s 5m/s F 20 mm 2
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