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5 m3 of water flows through the pipe in 1 second at a maximum speed of 2 m/s. What is the pipe radius?

Correct answer:

r =  0.8921 m

Step-by-step explanation:

Q=5 m3/s v=2 m/s  t=1 s V=Q⋅ t=5⋅ 1=5 m3 l=v⋅ t=2⋅ 1=2 m  V=S⋅ l  S=V/l=5/2=25​=2.5 m2  S = π r2  r=S/π​=2.5/3.1416​=0.8921 m

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algebraarithmeticsolid geometryplanimetricsUnits of physical quantitiesthemes, topicsGrade of the word problem

 
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