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Engineering, 27.02.2020 00:55 help1219

A spherical soap bubble with a surface-tension of 0.005lbf/ft is expanded from a diameter of 0.5 in to 3.0 in. How much work, in Btu, is required to expand this bubble

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A spherical soap bubble with a surface-tension of 0.005lbf/ft is expanded from a diameter of 0.5 in...
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