Electric Avenue Trading LLC. - The Standard light meter measures light intensity up to 40,000 Foot-candles or Lux. Utilizing a precision photodiode as well as cosine and color corrected measurements Get in
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Two commercial airplanes are flying at an altitude of 40,000 ft along straight-line courses that intersect at right angles. Plane A is approaching the intersection point at a speed of 429 knots (
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