# Monthly Archives: May 2019

865 posts

## Lesson 25 – Linear Transformations, a Lesson on one-to-one Transformations in Linear Algebra

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## If a pilot accelerates at more than 4g, he begins to

Leave a tip for good service: https://paypal.me/jjthetutor If a pilot accelerates at more than 4g, he begins to βgray outβ but doesnβt completely lose consciousness. (a) Assuming constant acceleration, what is the shortest time that a jet pilot starting from rest can take to reach Mach 4 (four times the speed of sound) without graying…

## In a grid of wires the temperature at exterior mesh points is maintained at constant values as

when the grid is in thermal equilibrium

## Write the matrix of quadratic form

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## Review Problems for Calculus – Problems 26 + 27

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Link: https://drive.google.com/file/d/0B1YZD9uzvB5TVXdneEcyeVhsM3c/edit?usp=sharing A free worksheet to prepare you for calculus. It has a bunch of algebra and trig questions.

## Xscl & Yscl on a TI 83 84 Explanation and example of how to use the Xscl & Yscl on TI 83 84 SD

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## Hydrostatic Force – Complete Example #1

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Hydrostatic Force – Complete Example #1. In this video, I calculate the hydrostatic force on a triangular plate that is submerged in water.

## Trigonometric Substitution – Example 3 / Part 2

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Trigonometric Substitution – Example 3 Part 2. I finish off example 3 part 1! For more free math videos, check out http://PatrickJMT.com

## The position of a squirrel running in a park is given by S rβ =[(0.280ms)t

Leave a tip for good service: https://paypal.me/jjthetutor The position of a squirrel running in a park is given by r=(0.280m/st+0.0360m/s^2t^2]i-0.0190/s^2t^3 (a) What are v_x and v_y, the x- and y-components of the velocity of the squirrel, as functions of time? (b) At t = 5.00 s, how far is the squirrel from its initial position?…

## Solving a System of Equations Involving 3 Variables Using Elimination by Addition – Example 1

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Solving a System of Equations Involving 3 Variables Using Elimination by Addition – Example 1. There are TONS of fractions, so I hope you do not get drowned out with all the arithmetic!!

## Find the magnitude of the angular momentum of the second hand on a clock

Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15.0 cm and a mass of 6.00 g. Take the second hand to be a slender rod rotating with constant angular velocity about one…

## Simplifying Complex Fractions – Ex 3

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Simplifying Complex Fractions – Ex 3 In this video, I simplify a complex fraction by getting common denominators, flipping, multiplying, and canceling.

## Figure shows a system of four capacitors, where the potential difference across is 50.0 V.

Leave a tip for good service: https://paypal.me/jjthetutor Leave a tip for good service: https://paypal.me/jjthetutor Figure shows a system of four capacitors, where the potential difference across is 50.0 V. (a) Find the equivalent capacitance of this system between and (b) How much charge is stored by this combination of capacitors? (c) How much charge is…

## Determinant of a 2 x 2 Matrix – A Few Basic Questions

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Determinant of a 2 x 2 Matrix – A Few Basic Questions. In this video, I show how to find the determinant of a 2 x 2 matrix, and do a few related problems.…

## Definition of Derivative to Find Slope of Tangent Line

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Definition of Derivative to Find Slope of Tangent Line

## How many years are required for an investment to double in value if it

Leave a tip for good service: https://paypal.me/jjthetutor How many years are required for an investment to double in value if it is appreciating at a rate of 2% compounded continuously? Student Solution Manuals: https://amzn.to/2WZrFnD More help via http://jjthetutor.com Download my eBooks via http://payhip.com/jjthetutor, paperback via http://amazon.com/author/jjthetutor.

## β Composition of Functions β

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Composition of Functions – Numerous examples are shown of how to compose functions! For more free math videos, check out http://PatrickJMT.com

## Find an equation of the plane through the point (5,3,5) with normal vector 2i+j-k

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## How to generate random numbers on TI – 83 and TI – 84 | rand()

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## Define T R2 to R2 by T(x)=Ax. Find a basis B for R2 with property [T]_B is diagonal

Leave a tip for good service: https://paypal.me/jjthetutor Define T R2 to R2 by T(x)=Ax. Find a basis B for R2 with property [T]_B is diagonal Student Solution Manuals: https://amzn.to/2WZrFnD More help via http://jjthetutor.com Download my eBooks via http://payhip.com/jjthetutor, paperback via http://amazon.com/author/jjthetutor.

## Three charges are at the corners of an isosceles triangle as shown in Fig. The -5.00-mC charges

Leave a tip for good service: https://paypal.me/jjthetutor Three charges are at the corners of an isosceles triangle as shown in Fig. The -5.00-mC charges form a dipole. (a) Find the force (magnitude and direction) the -10.00-mC charge exerts on the dipole. (b) For an axis perpendicular to the line connecting the -5.00-mC charges at the…

## Exact Differential Equations

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Exact Differential Equations – In this video I show what it means for a differential equation to be exact and then one solve one problem. For more free math videos, visit http://PatrickJMT.com

## A daring 510-N swimmer dives off a cliff with a running horizontal leap

Leave a tip for good service: https://paypal.me/jjthetutor A daring 510-N swimmer dives off a cliff with a running horizontal leap, as shown in What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00…

## A circular steel wire 2.00 m long must stretch no more than 0.25 cm

A circular steel wire 2.00 m long must stretch no more than 0.25 cm when a tensile force of 700 N is applied to each end of the wire. What minimum diameter is required for the wire? Young and Friedman 14E Ch11 11.25

## Logical Gates ( Creating and Evaluating Boolean Expressions ) – Part 2

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Logical Gates ( Creating and Evaluating Boolean Expressions ) – Part 2. In this video, I look at how to create a Boolean expression associated with a circuit and also how to create a…

## Proving an Identity, Example 2

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Proving an Identity, Example 2

## Finding the Greatest Common Factor, GCF

Thanks to all of you who support me on Patreon. You da real mvps! \$1 per month helps!! π https://www.patreon.com/patrickjmt !! Finding the Greatest Common Factor, GCF – A few numerical examples are shown, along with examples including variables. For more free math videos, visit http://PatrickJMT.com Austin Math Tutor, Austin Math Tutoring, Austin Algebra Tutor,…