A 20 m tape was used for measuring a line at an average temperature of 65º F. The measured distances on the ground and slope of the ground are as given below: 2º 18′ for 125 m 3º 30′ for 250 m 1º 42′ for a distance of 170 m If the temperature at which tape was standardised is 80º F, find the true length of the line. Take α = 6.2 × 10^(–6) /ºF

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Q: Use Double Integration. EI is constant. Determine: a. EI(A) if x is 02.930 m from point A b. EI(A)…

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.