Physics, 02.05.2021 06:00 pollywallythecat
(b) Suppose a horizontal circular loop of wire has a diameter of 7cm and is lowered into sample of crude
oil and suppose the additional force that is required to pull the loop out of the oil is 0.08N. Calculate
the surface tension of the sample of crude oil. (2 marks)โ
Answers: 3
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