Physics, 04.06.2021 18:20 ReveenatheRaven2296
9. A tank holds a layer of oil, 1.43 m thick, that floats on a layer of syrup that is 0.64 m thick.
Both liquids are clear and do not intermix. A ray originates at the bottom of the tank at the
intersection with a vertical axis. It crosses the oil-syrup interface at a point 0.90 m from the
axis, then continues through the oil. It arrives at the oil-air interface at a distance 2.00 m from
the axis and at the critical angle. What is the index of refraction of the oil?
air
2.00 m
Answers: 2
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Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47
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9. A tank holds a layer of oil, 1.43 m thick, that floats on a layer of syrup that is 0.64 m thick....
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