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MathCad is published by PTC, Incorporated. PTC used to be known as Parametric Technology Corporation. MathCad was written by Allan Razdow of MIT.

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What is random house?

The only Random House I know of is Random House Publishing Company. It publishes books.


How to integrate Cosine to the power of 2?

According to http://integrals.wolfram.com, the answer is (1/2) (sin x cos x). I believe these integrals are calculated by converting the sine or cosine square with some trigonometric identity first. See this reference: http://en.wikipedia.org/wiki/Trigonometric_identity#Power-reduction_formulas In this case, the relevant formula is cos2x = (1 + cos 2x) / 2. According to Mathcad the answer is (1/2)*(sin(x)*cos(x)+x). The proof by derivation confirms this solution.


What are the answers for the questions in the scholastic math book?

Scholastic publishes a lot of math books. I am afraid that it is impossible to give the answers without knowing which version. Also, depending on the book, only certain answers might be published. Usually the ones that they publish (so you can check your work) are already published in the back of the book. You might check there.


Where can you find reloading data for Remington componets?

Common sources include the loading manuals from Speer, Lyman, Hornaday Loading manuals for companies like Speer and Hornady are only going to give you load data for THEIR bullets--not Remington bullets. I haven't checked Lyman yet but the load data published by powder manufacturers are typically going to list loads using bullets manufactured by the major bullet companies. I am looking for a source that publishes loads using Remington bullets myself. No, you can't simply substitute a load using a bullet of the same weight as the Remington bullet you want to use. Bullet composition and design impacts CUP's.


What are v and inverted v curves?

V Curve- Excitation vs Armature currentV curve is the graph showing the relation of armature current as a function of field current in synchronous machines. The purpose of the curve is to show the variation in the magnitude of the armature current as the excitation voltage of the machine is varied.Inverted V Curve- Excitation vs Power FactorThe synchronous motor "V Curves" shown above illustrate the effect of excitation (field amps) on the armature (stator) amps and on system power factor. There are separate "V" Curves for No-Load and Full-Load and sometimes the motor manufacturer publishes curves for 25%, 50%, and 75% load. Note that the Armature Amperage and Power Factor "V" Curves are actually inverted "V's".Assume it is desired to determine the field excitation which will produce unity power factor operation at full motor load. Project across from the unity power factor (100%) operating point on the Y-Axis to the peak of the inverted Power Factor "V" Curve (blue line). From this intersection, project down (red line) from the full-load unity power factor (100%) operating point to determine the required field current on the X-Axis.In this example the required DC field current is shown to be just over 10 amps. Note at unity power factor operation the armature (stator) full-load amps is at the minimum value.Increasing the field amps above the value required for unity power factor operation will cause the machine to run with a leading power factor, while field weakening caused the motor power factor to become lagging. When the motor runs either leading or lagging, the armature (stator) amps increases above the unity power factor value.

Related Questions

When was Mathcad created?

Mathcad was created in 1986.


Who was the publisher of MathCad?

MathCAD is owned by Parametric Technology Corporation (PTC) who bought it from Mathsoft Engineering & Education, Inc. in 2006. This occurred because MathCAD worked great with PTC's Pro/Engineering products.


What has the author Robert O Harger written?

Robert O. Harger has written: 'An introduction to digital signal processing with Mathcad' -- subject(s): Computer programs, Digital techniques, MathCAD, Signal processing 'An Introduction to Digital Signal Processing with MathCad(r)'


Where can one learn about the Mathcad?

Mathcad is engineering calculation software and does not have an official website. There is an abundance of knowledge about this software available on the internet. The software was first created in 1986.


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