Question: A narrow, U-shaped glass tube with open ends is filled with 25.0 cm of oil (of specific gravity 0.80) and 25.0 cm of water on

A narrow, U-shaped glass tube with open ends is filled with 25.0 cm of oil (of specific gravity 0.80) and 25.0 cm of water on opposite sides, with a barrier separating the liquids (Fig. P12.58).

Figure P12.58:

A Oil Water- Barrier

(a) Assume that the two liquids do not mix, and find the final heights of the columns of liquid in each side of the tube after the barrier is removed.

(b) For the following cases, arrive at your answer by simple physical reasoning, not by calculations:

(i) What would be the height on each side if the oil and water had equal densities?

(ii) What would the heights be if the oil€™s density were much less than that of water?

A Oil Water- Barrier

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