To lift a wire ring of radius 1.95 cm from the surface of a container of blood plasma, a vertical force of 1.79 10-2 N greater than the weight of the ring is required. Calculate the surface tension of blood plasma from this information.
Answer in N/m
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Oh, my! You seem to be in trouble! You've posted 9 questions in 7 minutes. Please post what you know about these problems. If you don't post anything about them, I assume you're so lost that you should drop this class and try an easier class.
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