Question

A the depth of an opening from surface of
water in tank is 10m. The speed of efflux
when the tank is half filled is
a) 2m/s
b) 8m/s c) 10m/s
c) 10m/s d) 5m/s​

Answer 1

Answer:

c

Explanation:

v = ✓2gh

h=10/2 = 5

v = ✓2 x 10 x 5

v= 10