16. Consider a very small hole in the bottom of a tank 20.0 cm in diameter filled with water to a height
of 50.0 cm. Find the speed at which the water exits the tank through the hole.
(A) 1.8 m/s
(B) 3.13 m/s
(C) 5.10 m/s
(D) 9.4 m/s
(E) 14.9 m/s.
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統計: A(0), B(14), C(0), D(1), E(0) #3093857
統計: A(0), B(14), C(0), D(1), E(0) #3093857