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1. The formula for wind power in a flow is P = If the density is measured as 1 ZPAv kg p = 1.223.

1. The formula for wind power in a flow is P = If the density is measured as 1 ZPAv kg p = 1.223. +7%, m3 A = 12.5 m 0.2 m, m v = 8.4 + 12%, S find the uncertainty in the measurement of wind power in both absolute and percentage measures.

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