Air flows steadily along a streamline from point (1) to point (2) with negligible viscous effects. The following conditions are measured: At point (1) z1 = 2 m and P1 = 0 N/m2 ; at point (2) z2 = 10 m, P2 = 20 N/m2 , and v2 = 0 m/s. Based on this information, what condition exists at point (2) and what type of streamline is this? Determine the velocity at point (1) in m/s. The specific weight of the air is 12.1 N/m3

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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.