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Trajectory of a Spinning Tennis Ball,s the direction of the axis of rotation and magnitude . = .(.)..(.), where .(.) is an angle of rotation). We will impose a Cartesian coordinates system (.) on the surface of the earth with the . axis directed vertically.glacial 发表于 2025-3-26 07:15:39
The Illumination Problem,es of the lamps are (0, ..) and (s, h.) where . is the horizontal distance between the two light sources. Let . = (x, 0) be a point on the road somewhere between the two lights. In this chapter we will look for a point . which is minimally illuminated. In Figure 3.1 we have made a sketch of the situ钱财 发表于 2025-3-26 08:42:15
The Internal Field in Semiconductors,tor and donor impurity concentrations respectively and are independent of . and .. Let this semiconductor be connected to an external potential .(.) with .(0) = .. and .(.) = 0. Then, if the semiconductor has sufficiently large dimensions in . and .-directions, all physical properties will depend on得罪 发表于 2025-3-26 15:18:20
Some Least Squares Problems,4], . In mass production machines are producing parts, and it is important to know, if the output satisfies the quality requirements. Therefore some sample parts are usually taken out of the production line, measured carefully and compared with the nominal features. If they do not fit the specifi芦笋 发表于 2025-3-26 17:04:12
Mirror Curves,int of the position of the first ball. Point . moves as we move point . along the boundary of the billiard cushion shape, (see Chapter 7, Figure 7.2). . traces a ., which depends on the change of the tangent line at point T. This mirror curve is dependent on the position of point . and the shape of