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Problem 4. (Pressure of a water droplet) A drop of water (y = 0.073 N/m) forms such that it has an internal gauge pressure

Problem 4. (Pressure of a water droplet) A drop of water (y = 0.073 N/m) forms such that it has an internal gauge pressure of 52 Pa. A. How big is this droplet (that is, what is the radius of the drop in m)? B. A surfactant is added to the water reducing surface tension to 0.021 N/m. If the volume remains the same, what is the new the gauge pressure of the droplet? Express your answer in Pa.

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