A liquid of density p is filled in a vessel of cross- sectional area A. The vessel has a hole of cross-sec- tional area a at a depth h below the free surface of the liquid. When the hole is unplugged, the liquid comes out of the hole with a velocity v. The volume of liquid coming out of the hole per second is Q. The reaction force exerted on the vessel by the emerging liquid is (assume A >> a)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A liquid of density p is filled in a vessel of cross-
sectional area A. The vessel has a hole of cross-sec-
tional area a at a depth h below the free surface of the
liquid. When the hole is unplugged, the liquid comes
out of the hole with a velocity v. The volume of liquid
coming out of the hole per second is Q. The reaction
force exerted on the vessel by the emerging liquid is
(assume A >> a)
(a) av²p
(b) 2aghp (c) ро@ (d) рQ /2gh
Transcribed Image Text:A liquid of density p is filled in a vessel of cross- sectional area A. The vessel has a hole of cross-sec- tional area a at a depth h below the free surface of the liquid. When the hole is unplugged, the liquid comes out of the hole with a velocity v. The volume of liquid coming out of the hole per second is Q. The reaction force exerted on the vessel by the emerging liquid is (assume A >> a) (a) av²p (b) 2aghp (c) ро@ (d) рQ /2gh
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