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Question: problem 2e fa liquid is to be measured using a...

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Problem 2-E fa liquid is to be measured using a liquid film suspended on aU- shaped wire frame with an 6-cm-long movable side. If the force needed to move the wire is 0.024 N, determine the surface tension of this liquid in air. Problem 2-F A 0.4-mm-diameter glass tube is inserted into water at 20°C in a cup. The surface tension of water at 150C is ơ,-0.074 N/m. The contact angle can be taken as zero degree. Determine the capillary rise of water in the tube.

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