The bronze bar 3.08 m long with a cross-sectional area of 629 mm2 is placed between two rigid walls. At a temperature of 14 °C, there is a gap A = 2.35 mm, as shown in the figure. Find the temperature at which the compressive stress in the bar will be 31.51 MPa. Use a = 18 x 10-6 /°C and E = 83.51 GPa. Round off your answer to two decimal places. Ale

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.