 | Watch Video on Triangle Proportionality Theorem - Math Help Access full lesson containing this video at: http://www.yourteacher.com/geometry/triangleproportionalitytheorem.php Students learn the following theorems related to similar triangles. If a line is parallel to a side of a triangle, and it intersects the other two sides of the triangle, then it divides these sides proportionally (Triangle Proportionality Theorem). If three parallel lines intersect two transversals, then they divide the transversals proportionally (Corollary of the Triangle Proportionality Theorem). If a ray bisects an angle of a triangle, then it divides the opposite side of the triangle into segments that are proportional to the other two sides (Triangle Angle-Bisector Theorem). Students are then asked to solve problems related to these theorems using Algebra. |
 | Watch Video on Triangle Angle Bisector Theorem - Math Help Access full lesson that contains this video at: http://www.yourteacher.com/geometry/triangleproportionalitytheorem.php Students learn the following theorems related to similar triangles. If a line is parallel to a side of a triangle, and it intersects the other two sides of the triangle, then it divides these sides proportionally (Triangle Proportionality Theorem). If three parallel lines intersect two transversals, then they divide the transversals proportionally (Corollary of the Triangle Proportionality Theorem). If a ray bisects an angle of a triangle, then it divides the opposite side of the triangle into segments that are proportional to the other two sides (Triangle Angle-Bisector Theorem). Students are then asked to solve problems related to these theorems using Algebra. |
 | Mad Spiffy Mathematic Class Ever wondered whether BanDai is correct with Mini is 66% the size of tamaGotchis? Well here comes me to prove it at 1:30 AM. I know the simple way is to claculate 66% of the height of a normal tama and see if its the height of the mini, but I know myself and I took the difficult way. First of all I do proportionality, and it seems that something doesn't fit, but then we realise that the Mini doesn't count where the keychain clasps on and... OK; you shall probably not understand me banging on, so simply watch the video. You may hear my Angel going off at the beginning and at the end, I was ignoring it to get an Unchi-Kun... If there is something you definitely don't understand, feel free to comment asking. :P No ruderies. Made by TamaTalk - Spiffy |
 | Mathematics Advert for AMI (International Medical Assistance) by YR Lisbon Script: "After years confusing little children, saying that if you trace the diagonals of a regular pentagon by the intersections of its segments, you obtain a regular proportional pentagon in the golden ratio, Pythagoras will finally help them. Save Maths textbooks. For every Book Kit you buy, you're helping children in need." AMI, International Medical Assistance |
 | it's that simple morgan tells how he solved a proportional reasoning problem |
 | Kepler's Third Law We conclude our study by proving, with mathematical rigour as always, Kepler's Third Law - the square of the period of a planet moving around its elliptical orbit is proportional to the cube of its semimajor axis of that orbit. Check out www.gaussianmath.com for an indepth study or more calculus related content. |
 | Jet Nautilus RC Submarine More math about the Nautilus than most would care to know. http://www.rcgroups.com/forums/member.php?u=40728 7ft web page http://home.comcast.net/~byourk/7footaa.html Up until the last two times I've conducted speed tests I thought the nose dive effect was possibly an artifact of the model not applicable or insignificant to the full size or large replica. However, now, I am convinced that a larger model or full scale could not escape this effect. I've concluded that it's inherent in the shape of the hull. On the last test I was certain the sub would stay afloat. But contrary, down it went of its own accord. This indicates to me that the effect (nose dive) is related to speed. What I don't know is, if, on a larger sub the effect is relative to speed (increase to a greater speed proportional to size), or if the speeds I achieve with the model are absolute for the effect to take place. In other words once this speed (or slightly faster) is reached the sub (at any size) will nose dive. In the speed test video any scenes showing the sub submerging (beginning and end) are at 24 volts set up (greater speed). Otherwise it's rock steady and smooth at 12 volts (lesser speed). In the first frames showing the sub submerging, setup at 24 volts, I cut the power as soon as it went under, you can see (possibly) that it levels out and then I sent it straight out at about 2-3 ft under water. To see what the effect would be without releasing the forward controls I sent it out straight. This is seen in the last part of the video. It hit bottom in about 15-20 ft depth, about 150 ft from shore. I started the run again from this point (where it's seen submerging again), and it came up on the other end of the pond. If it were not for the upward curve to the side rakers it would have leveled off and traveled straight across at some (unmeasured) depth without surfacing. |
 | Rewardzone Best Buy Credit Card "Not worth it" The bottom line, what is it worth to get 4% rewards on purchases if to break even you have to pay x dollars a month, where x is, let me see.. $39.95 = 12 * (x * 4%) per year, ($39.95 / (12 * .04)) that's $83.23 per month. And the year after, you lose your 0% introductory APR.. I said 100 dollars in the video but I didn't do the math. A little bit of algebra doesn't hurt.. Fees matter.. Also insurance is okay on an item if you can see yourself taking a computer or purchase in for repairs years from now. But the price of inssurance is based on statistics, and may or may not be worth it, actually considering that computer equipment goes down in value at a rate proportional to the capability of the computer (number of cores, speed of cores, memory, graphics performance, sound, etc). However a game system would be a worthwhile purchase since the value doesn't drop as dramatically because it is not measured by its computing ability but by the quality of the games. In any case, it's probably best just to skip the credit cards and insurance. Unless you really need that extra 20 or 40 dollars you might get back for purchases from Best Buy.. Also the credit cards some with little extras, but they may have limitations on top of that.. Credit cards are only good if you can pay on time. If you are in debt, it's a no brainer, don't use them.. When you put your signature on a contract for a credit card, whatever the legalese says sticks, regardless of consumer rights. That's why you need a lawyer when signing contracts, so you can tell if something is normal or unreal. If something is super unreal and you know it, make a video clip of it and put it up here on youtube, it will get a lot of press and punish those who wrote it up.. |
 | Clinton Supporters Ready To Take Fight To Convention More at http://www.theuptake.org While chasing Senator Hillary Clinton through central Pennsylvania I tried to understand the motivations of those who are voting for her and those who are considering giving their support. Among those who had already committed to Clinton echoed the same sentiment: they are ready to take the fight to the convention. Rob Reiner impresses on the crowd that Hillary needs to "win big" in Pennsylvania to stay in contention. He's absolutely right and is more honest that recent statements by Pennsylvania Governor Ed Rendell that "If we win by 6 to 7, it's a great victory. if were to win by ten or more that would be astounding." Pennsylvania can only be considered a "win" for Clinton if it allows her to overtake Obama in either pledged delegates or the popular vote. The proportional allocation of delegates ensures that Obama will retain the lead for the next three primaries. As to the popular vote, here's a quick back of the envelope calculation. If we count all the states, including FL and MI and the estimated popular votes in the caucus states of IA, NV, ME and WA, Obama has a .6% (204,227) lead in the popular vote. This is the math the Clinton campaign is using in campaign emails to supporters. Under this scenario the following would need to occur for Clinton to overtake Obama in the popular vote with PA: turnout would need to double (1.6 million voting in the primary) and Clinton would need to win by with at least 56% of the vote which would be a 12% margin. Therefore, Clinton needs to win a little more than 900,000 votes in PA to break even with Obama. Clinton needs to do more than just break even to maintain a popular vote lead over Obama post-North Carolina. |
 | Ball Lightning Primer Force, F, can come from mass, m, and acceleration, a. F = m a A Force field has a proportional acceleration or gravity, g. F = m g Force can come from two electrical currents. F = i x B = i x uH = i1 x ui2 u = permeability factor on lines of field per current and can have voltage, v, and frequency, f, dependency (assume one to work in smaller voltages - do not want to go to millions of volts as well as this region is not known to me (Tesla achieved Millions of volts)) Magnetic field, B or H is a circular field coming from a current I. H is distinct from current I being circular, otherwise it the same in magnitude with different path and units. Maxwell Equation curl H = I, meaning a circular Magnetic field, H, results from a straight line current, I. Current I having charge, velocity and time dependencies is a straight wire carrying current that will create the so called tube of magnetic field. Normal current flow, I, is produced by the Electric field, E, which was a result of a Voltage, V, potential. A free space electron current, If, are negative charges that are removed from metal by high Electric fields in proportion to E to the square. Coil up the wire flat and create a radial Magnetic field of which we take one line and find the perpendicular intersecting line by finding the slope. Break out the analytical geometry books and see the negative reciprocal is what we want. That is the y = mx, m = y/x and intersect slope = -x/y. However now we must go back to the radial field. The spiral coil will oscillate in time causing the field to alternate in a straight line causing an E field to set up as a circular path. Maxwell Equation curl E = dB/dt, meaning a circular Electric field, E, results from the alternating Magnetic field, B. A circle has a slope that intersects all radial lines, dy/dx = -x/y, ydy + xdx = 0, y^2 + x^2 = r^2 is the path equation of the Electric fields, E, in this case. The circular alternating Electric field can set up an alternating charge flow that lights up and thereby creates a disc of light. We might see this in a laboratory or as ball lightning or if UFOs use high voltage coils, then they might exhibit such a phenomena. So a swirling charge creates light, but there is more. What happens to the rest of the Magnetic field because it is a closed loop. A field on top and bottom will form and if that lights up from charges then a three dimensional ball lighting will exist. A few more things to sum up. The free electron cloud at high strength will ionize even rarefied air and most likely create emission of UV or violet light from nearby molecules. If a separate Electric field from a high voltage spark gap is sent in one direction, a flow in the surrounding space can take place. The interaction of the fields can cause the motion and force and gravity and acceleration field for air craft that are never identified. The puffy or comb clouds are perhaps residue of the high voltage interactions in a flyby as the field swishing or swimming action observed on some videos. ======================================== Additional notes on saucer propulsion, you can use the del operator on voltage for the direction of instantaneous momentum (iM) a vector as in iM = F = ma = qE = V1 del V2 the two potential formula. Tesla 'brush' discharges are the del V2 give direction to the craft. ======================================== Aether theory, gravity well and FOO 1944 links in my video response Slide Show info section. |
 | Flowering a Hexagon Flowering a Hexagon... I do this thing where I draw a hexagon, then inside the first hexagon I draw a second hexagon, and inside the second I draw a third, and so on and so forth. I call it flowering because the final image of a sequence looks similar to a top view of a rose or pedaled flower. Each superseding hexagon's corners in the sequence meet in the middle of the previous hexagons sides. When doing this I found out that the volume of each hexagon is proportional to the previous hexagon. No matter what the size each hexagon in this pattern will lessen by 25% in volume from its previous hexagon. I had also found that for every three hexagons the third's side length will be 25% smaller than the first. So it is like a grouping of two's, if you compare the adjacent groups there will be a 25% difference in side length. |
 | Lec 14 | MIT 8.02 Electricity and Magnetism, Spring 2002 Biot-Savart Law Gauss' Law for Magnetic Fields Revisit the "Leyden Jar" High-Voltage Power Lines View the complete course at: http://ocw.mit.edu/8-02S02 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu |
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