An equinox occurs twice throughout the course of a year, when Earth’s axis points neither toward nor away from the Sun. How does an equinox affect the lengths of day and night? A. Day and night are equal in length. B. Day is longer than night. C. Night is longer than day. D. The sun will not set, resulting in a 24-hour day. E. The sun will not rise, resulting in a 24-hour night.

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k