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The U-tube in the figure is sealed at both ends.It contains a gas in A,another gas in B,and mercury in C.The heights of the mercury in the two arms are as shown.The density of mercury is 13.6 g/cm3.If the pressure in A is 1 104 dyn/cm2,the pressure in B is
Base Year
A reference year against which economic growth, price levels, and other data are measured over time.
Consumer Price Index
An economic indicator that measures the average change over time in the prices paid by consumers for a basket of goods and services.
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The total expense of a selected set of goods and services over a period, often used to measure inflation.
Base Year
A reference year used for comparative financial analysis in which indices or prices are normalized to 100.
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