Question
The instrument used to measure the speed of the wind is
βSolution
An anemometer is a device for measuring wind speed, and is a common weather station instrument. The term is derived from the Greek word anemos, meaning wind, and is used to describe any airspeed measurement instrument used in meteorology or aerodynamics. The first known description of an anemometer was given by Leon Battista Alberti around 1450.
[(82 × 162)/12] - 28 = ?
`sqrt(5476)` + 40% of 1640 = ? `xx` 4 - 2020
30% of 2200 +β?β x 50 β 1020 = 11x 306 +Β (β 2250 Γ· 0.1)Β Β
Evaluate: (768Γ·16)Γ(125Γ·25)β(81Γ·9)Γ12
(122 - 82 ) X ? = 90% of 500 - (90 - 25) X 2
276 Γ· 11.5 + 12 = ? x 3
56 Γ 18 + ? Γ 21 β 49 Γ 12 = 63 Γ 26Β
20 + 160/? Γ 20 = 420
132 Γ 3 Γ· 11 + 67 β ? = 64 Γ· 8 Γ 2
2 X 25 + (30% of 80) Γ· (10% of 120) = ?