# JJTheTutor's Shop

Students/Parents: Thank you for considering me as you tutor. I have over 7-years of experience providing top-of-the-line service for hundreds of students taking college level mathematics, and physics. I have a Bachelor’s of Science in Mathematics with an emphasis of pure math, and am currently in graduate school for mathematics. I love to explain complex information, and am able to do this in a simple fashion that students respond to very quickly.

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Students/Parents: Thank you for considering me as you tutor. I have over 7-years of experience providing top-of-the-line service for hundreds of students taking college level mathematics, and physics. I have a Bachelor’s of Science in Mathematics with an emphasis of pure math, and am currently in graduate school for mathematics. I love to explain complex information, and am able to do this in a simple fashion that students respond to very quickly.

#### Jaw Injury - Calculating Tension of a Chin Strap

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JJtheTutor Video Tutorial: In this video we calculate the tension of a chin strap for a jaw injury.

#### Solving Linear Function #6

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JJtheTutor Video Tutorial: In this video we solve the linear function1/2+2/x=3/4

#### Surface of a Disk - Electric Flux

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JJtheTutor Video Tutorial: In this video we investigate the electric flux through the surface of a disk.

#### One Parameter Solution to a Diff Equation #2

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JJtheTutor Video Tutorial: In this video we look at the equation y=1/(1+ce^(-x)), a one-parameter family of solutions to the first-order DE y'=y-y^2

#### Rotating the line x=3y about the x-axis.

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In this video presentation from JJ the Tutor we look at finding an equation for the surface obtained by rotating the line x=3y about the x-axis.

#### Magnitude and Direction of Electron in an Electric

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In this video presentation from JJ the Tutor we look at Finding Magnitude and Direction of Electron in an Electric Field.

#### Finding Final Velocities of a Collsion

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JJtheTutor Video Tutorial: In this video we find the final velocities of an elastic collision between two carts on a frictionless track.

#### Each Side of a Cube - Electric Flux

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JJtheTutor Video Tutorial: In this video we investigate electric flux through each side of a cube.

#### Surface of a Sphere - Electric Flux

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JJtheTutor Video Tutorial: In this video we investigate electric flux through a surface of a sphere.

#### Minimum Area of Plates of a Capacitor

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JJtheTutor Video Tutorial: In this video we find the minimum area the plates of a capacitor may have.

#### Solving Complex Equations #3

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JJtheTutor Video Tutorial: In this video we look at the complex equation13x^2+1=6x

#### Amount of Excess Electrons on a Lead Sphere

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In this video presentation from JJ the Tutor we look at Finding the Amount of Excess Electrons on a Lead Sphere - Electromagnetism.

#### Linear combination of the vectors .

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To see if b = [7; 4; 12] is a linear combination of the vectors a1 = [-4; -3; 1] and a2 = [-9; 9; -6] one can solve the matrix Ax=c where the columns of A are v1,v2 and c =

#### Monochromatic light

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Two light sources can be adjusted to emit monochromatic light of any visible wavelength. The two sources are coherent, apart, and in line with an observer, so that one source is farther from the observer than the other.

#### Differential equation

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use the concept that y=c, -infinity x infinity, is a constant function if and only if y'=0 to determine whether the given differential equation possesses constant solutions

#### Linear Algebra: Pseudo-inverse or A-dagger

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This video explains the derivation of the Pseudo-inverse or dagger of a matrix involving inner products and projection matrixes. How to solve Ax=b for a non square matrix A

#### Example of Tow Truck Pulling An Object

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In this video presentation from JJ the Tutor we look at work in physics - an introductory example of a tow truck pulling an object at an angle.

#### Matrix - Basis for Col A and a Basis for Nul A

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In this video presentation from JJ the Tutor we look at finding a Basis for Col A and a basis for Nul A - Easy to Understand Explanations of LA Problems

#### Internal Resistance and Circuit Resistor

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JJtheTutor Video Tutorial: In this video we find the internal resistance and circuit resistor.

#### Magnitude of Drift Velocity and Current

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JJtheTutor Video Tutorial: In this video we find the magnitude of the drift velocity of electrons in a wire?