D) \( h=49 \mathrm{~cm} \)
a Problern 2 (Çengel fr Cimbala, 2014, w/ pernission)
Considet a U-tube whose arms are open to the atmosphere. Water is poured into the U-tube from one arm, and light oll \( \left(\beta_{\mathrm{m}}=790 \mathrm{~kg} / \mathrm{m} 7\right) \) into the other. One arm contains 70 -cm-high water, while the other arm contains both fluids with an oil-to-water height ratio of 6 . Deternine the height of oil in the rightami