17057. The discharge over a rectangular weir, considering the velocity of approach, is (where H1 = Total height of water above the weir = H + Ha H = Height of water, over the crest of the weir, and Ha = Height of water, due to velocity of approach) September 13, 2025 by Admin Cd x L2g [H1 – Ha] Cd x L2g [H13/2 – Ha3/2] Cd x L2g [H12 – Ha2] Cd x L2g [H15/2 – Ha5 ✅ The correct answer is option B.
