Inequalities proposed in “Crux Mathematicorum” (from vol. 1, no. 1 to vol. 4, no. 2 known as “Eureka”) Complete and up-to-date: November 22, 2007 The best problem…
Slide 1Teach GCSE Maths Shape, Space and Measures Slide 2 The pages that follow are sample slides from the 113 presentations that cover the work for Shape, Space and Measures.…
Slide 1Balancing an equatorially mounted telescope Paul McGale Slide 2 A typical equatorial mount Slide 3 Why balance? Dangerous if clutches become free If driven, mount…
1. Reflector AntennasEquation Section 191. IntroductionHigh-gain antennas are required for long-distance radio communications(radio-relay links and satellite links), high-resolution…
TOPIC : EARTH AS A SPHERE Enrichment CHAPTER 23: EARTH AS A SPHERE 23.1 LONGITUDE · Great Circles are circles with their centres at the centre of the earth. · Meridians…
13 B 13 B Lines in 2D and 3D The vector AB and the vector equation of the line AB are very different things. x x x x The line AB is a line passing through the points A and…