試題詳解

14. Consider a large open tank with a small hole at its bottom. The tank is filled with water to a height of 1.25 m. What is the speed at which the water exits the tank through the hole? The acceleration of gravity is 10 m/s².
(A) 1.25 m/s
(B) 3.53 m/s
(C) 5 m/s
(D) 12.5 m/s
(E) 25 m/s