1669. A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is________________? September 7, 2025 by Admin A. 5kN B. lOkN C. 15 kN D. 20 kN ✅ The correct answer is option B.