A small hole is located 5 m below the free water surface of a large open tank. Taking g = 10 m/s² and neglecting viscosity, the speed of efflux is N m/s. Find N.

Question

G1 Physics · Accepted Answer

Torricelli's theorem gives v = √(2gh). Substitute g = 10 m/s², h = 5 m. Therefore, v = √100 = 10 m/s. Hence, N = 10.