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Suitable for KS3/4 students, this (2009) chapterised DVD looks at the chemical processes and chemical equations behind the manufacture and/or use of five common products in everyday use: · Soap - made from...
Deals with the design of a parabolic reflector. From a physical attack on the problem, the viewer is taken through the steps of modelling the reflective property mathematically and thus finding the precise...
Considers periodic solutions of second-order differential equations, focusing on the mathematical methods of solving them and the graphical interpretation of their solutions. The fabulous perfect spring is a...
Considers periodic solutions of second-order differential equations, focusing on the mathematical methods of solving them and the graphical interpretation of their solutions. Introduces homogeneous and...
Looks at where the peaks and troughs are to be found on a surface corresponding to a function of two variables. Explores the function f(x,y)=xy(1-x2-y2). The general shape of the surface can be observed, the...
Reviews the Euler method and the trapezoidal method of numerical integration. Examines the way in which the graphs of y! and y interrelate. Considers two equations, with Euler’s methods working for both...
A ball bearing, released from the edge of a bowl will not roll down through the lowest point and up the other side if the bowl has a cross section designed to model two particular linerar second order...
Examines waves and the mathematics used to model them. Uses partial the differential wave equation to make predictions about a system that exhibits wave-like behaviour: a taut string driven by a vibrating arm.
Examines two problems, both of which involve solving three simultaneous equations in three unknowns, and which lead to very suspicious answers. Trouble arises in the solutions for two reasons. In the first...
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