(chatquestion)...13. A cylinderical vessel is filled upto a height h with ha liquid of density p. The cross sectional area of the vessel is A. From a small orifice near the ah botton, if some liquid flows out so that the level falls of the work done by gravity in doing so is 4. d. de ma ()Ar pg Ah pg (2) 4 (1) pqh Ah pg 8 (4) Ah pg 1. An open vessel containing the liquid upto a height of 15 m. A small hole is made at height of 10 m from the base of the vessel, then the initial velocity of efflux is (g = 10 m/s2) %3D (1) 1 m/s (2) 10/2 m/s (3) 5 m/s (4) 10 m/s...(13 and 14)

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