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• May the Force be with you

60,767 views 3 years ago
https://AssignmentExpert.com The Star Wars fans often say “May the Force be with you”, but do they know what the Force is…in real life?

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• Finding the average force during a collision - Duration: 3 minutes, 31 seconds.

• 101 views
• 1 month ago
• The momentum, the average force and impulse in the movement of the ball - Duration: 5 minutes, 18 seconds.

• 125 views
• 2 months ago
• Separable first-order differential equations - Duration: 3 minutes, 14 seconds.

• 411 views
• 3 months ago
• Volume of a tetrahedron (triple scalar product in use) - Duration: 5 minutes, 15 seconds.

• 14,243 views
• 2 years ago
• Finding velocities in two-dimensional inelastic collision of cars - Duration: 2 minutes, 37 seconds.

• 3,485 views
• 2 years ago
• Determination of the car's speed on the inclined road - Duration: 4 minutes, 31 seconds.

• 746 views
• 2 years ago
• Calculation of the acceleration needed to overtake a runner - Duration: 4 minutes, 28 seconds.

• 905 views
• 2 years ago
• Determination of the reactions at the supports of a beam - Duration: 5 minutes, 21 seconds.

• 965 views
• 2 years ago
• Determination of the force needed to stop a car - Duration: 2 minutes, 6 seconds.

• 1,354 views
• 2 years ago
• Determining the spring compression after elastic collision with a mass - Duration: 119 seconds.

• 2,792 views
• 2 years ago
• Calculation of the radioactive decay - Duration: 2 minutes, 45 seconds.

• 5,677 views
• 2 years ago
• Vertex formula for a parabola - Duration: 3 minutes, 16 seconds.

• 2,238 views
• 2 years ago
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• Explicit answers to questions Play all

• Cramer's Rule - Duration: 9 minutes, 45 seconds.

• 165,080 views
• 7 years ago
• Multiplication of Matrices - Duration: 14 minutes.

• 4,362 views
• 7 years ago
• Calculating Determinants p.1 - Duration: 12 minutes.

• 4,262 views
• 7 years ago
• Calculating Determinants p. 2 (2X2, 3X3 and 4X4) - Duration: 13 minutes.

• 6,889 views
• 7 years ago
• Equation of a Line - Duration: 10 minutes.

• 976 views
• 7 years ago
• Intersection of Two Lines - Duration: 10 minutes.

• 7,092 views
• 7 years ago
• How to Graph Parabolas - Duration: 14 minutes.

• 5,743 views
• 7 years ago
• Properties of Parabolas - Duration: 13 minutes.

• 4,837 views
• 7 years ago
• Adding Vectors Graphically - Duration: 14 minutes.

• 1,859 views
• 7 years ago
• Parabolas' "b" Parameter - Duration: 5 minutes, 22 seconds.

• 1,195 views
• 7 years ago
• L'Hopital Rule - Duration: 27 minutes.

• 1,019 views
• 7 years ago
• Inverse Matrices - Duration: 7 minutes, 11 seconds.

• 1,951 views
• 7 years ago
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• Short answers to questions Play all

• Determining the spring compression after elastic collision with a mass - Duration: 119 seconds.

• 2 years ago
• 2,792 views
A block of mass, 10 kg, collides with a spring that has a spring constant of 200 N/m at a speed of 12 m⁄s compressing the spring. When the block stops moving, how far is the spring compressed?
• Calculation of the radioactive decay - Duration: 2 minutes, 45 seconds.

• 2 years ago
• 5,677 views
The half-life of radon is 3.82 days. How long will it take for 60 percent of a sample of radon to decay?
• Vertex formula for a parabola - Duration: 3 minutes, 16 seconds.

• 2 years ago
• 2,238 views
What is the Vertex Formula, and how does it work?
• Calculating the resonant frequency of the LC circuit - Duration: 5 minutes, 19 seconds.

• 2 years ago
• 5,537 views
Our online math help service https://www.assignmentexpert.com/math
Obtain an expression for the frequency at which charge oscillates in an LC circuit.
• Calculation of de Broglie wavelength of the electron - Duration: 3 minutes, 7 seconds.

• 2 years ago
• 18,236 views
An electron microscope uses an electron beam of energy E=1.0 keV. Can this microscope be used to obtain the image of an individual atom? (The size of an atom ~10^{−10} m.)
• Equation of the sphere passing through 3 points - Duration: 7 minutes, 13 seconds.

• 2 years ago
• 17,759 views
Our online math help service https://www.assignmentexpert.com/math
Find the equation of the sphere which passes through the points (0,3,1), (2,5,1), (3,4,1,) and whose center lies on the plane 0 =...
• Calculation of the acceptance angle of an optical fiber. - Duration: 2 minutes, 56 seconds.

• 2 years ago
• 6,118 views
Define numerical aperture and angle of acceptance. An optical fiber has a numerical aperture of 0.20 and cladding refractive index of 1.59. Calculate the refractive index of the core material and t...
• Distance travelled by the body under the friction force - Duration: 3 minutes, 21 seconds.

• 2 years ago
• 10,212 views
A box of mass 𝑚 is pushed horizontally on a rough floor with an initial speed of 2 𝑚/𝑠. The coefficient of kinetic friction between the surface and the box is 𝜇_𝑘 = 0.1.
Calculate the distance the ...
• Water flow rate in pipes of different diameters - Duration: 4 minutes, 50 seconds.

• 2 years ago
• 47,773 views
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A pipe contains a gradually tapering section where the diameter decreases from 400 mm to 250 mm. The pipe contains an incompressible ...
• Calculating the required area of a parallel plate capacitor - Duration: 2 minutes, 50 seconds.

• 2 years ago
• 3,469 views
A parallel plate capacitor is to be designed with a voltage rating of 1 kV using material of dielectric constant 3 and electric field strength 106 V⁄m. What minimum area of plates is required to ha...
• Calculation of the torque acting on the square loop in magnetic field - Duration: 4 minutes, 22 seconds.

• 2 years ago
• 2,346 views
A rectangular coil of dimensions 20 cm by 15 cm lies with its plane parallel to a magnetic field of 0.5 W/m^2. The coil, carrying a current of 10 A experiences a torque of 4.5 Nm in the field. How ...
• Horizontal projectile motion problem solving - Duration: 5 minutes, 13 seconds.

• 2 years ago
• 1,010 views
Daring darlene sends her stunt car horizontally off a cliff at 79.6 𝑘𝑚⁄ℎ𝑟. If she lands 68.6 𝑚 from the base of the cliff, how high was the cliff above the ground?
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• Complex Numbers Play all

See our videos about complex numbers. Concept of so called imaginary unit, different approaches and possible representations along with geometric interpretation of complex numbers are considered and explained. Also there are several examples with detailed explanation.
• Complex Numbers (Part 1) - Duration: 16 minutes.

• 6 years ago
• 2,774 views
This video lecture is about complex numbers. We'll consider origination of so called imaginary unit, principal features and possible representations of complex numbers.

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• Operations with Complex Numbers (Part 2) - Duration: 10 minutes.

• 6 years ago
• 2,314 views
This video tutorial is about basic operations with complex numbers. We'll consider how to add, subtract, multiply or divide complex numbers.

Math Help: Complex Calculus

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• Geometric Representation of Complex Numbers (Part 3) - Duration: 10 minutes.

• 6 years ago
• 2,956 views
This video tutorial is about geometric representation of the complex numbers. We'll consider and explain how to introduce complex numbers in standard rectangular coordinates and polar form.

Math H...
• Powers of Imaginary Numbers (Example 1) - Duration: 4 minutes, 11 seconds.

• 6 years ago
• 1,332 views
This video shows how to deal with powers of imaginary numbers.
Initial problem is the following: it's required to evaluate different integer powers of imaginary unit i and a power of imaginary numb...
• Operations with Complex Numbers (Example 2) - Duration: 2 minutes, 14 seconds.

• 6 years ago
• 294 views
This video shows how to find a square of complex numbers.
Initial problem is the following: it's required to evaluate the following expression: (sqrt(5)-i)^2.

Math Help: Complex Calculus

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• Operations with Complex Numbers (Example 3) - Duration: 8 minutes, 19 seconds.

• 6 years ago
• 431 views
This video shows how to perform operations (addition, subtraction, multiplication, division) with complex numbers.
Initial problem is the following: it's required to find sum, difference, product a...
• Geometric Representation of Complex Numbers (Example 4) - Duration: 2 minutes, 32 seconds.

• 6 years ago
• 2,455 views
This video shows how to sketch sets described by equalities involving complex numbers.
Initial problem is the following: it's required to sketch the set defined by equality z+conj(z)=z*conj(z) wher...
• Trigonometric Form of Complex Numbers (Part 4) - Duration: 18 minutes.

• 6 years ago
• 713 views
This video tutorial is about trigonometric form of a complex number. We'll consider how to represent complex numbers in trigonometric form and how to perform basic operations with them.

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• De Moivre's Formula - Duration: 4 minutes, 23 seconds.

• 6 years ago
• 3,559 views
In this video tutorial, we'll talk about De Moivre's formula. This formula allows to raise complex numbers in trigonometric form into integer powers in an easy way.

Math Help: Complex Calculus

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• Geometric Representation of Complex Numbers (Example 5) - Duration: 7 minutes, 46 seconds.

• 6 years ago
• 2,924 views
This video shows how to find modulus and argument of a complex number.
Initial problem is the following: it's required to find modulus and argument of complex numbers z=1+3i; z=2-i; z=-2i. Also we ...
• How to multiply, divide and find a polar form of the complex numbers - Duration: 9 minutes, 15 seconds.

• 3 years ago
• 14,002 views
For given numbers: z_1= 1+i and z_2 = i + squrt(3)
Calculate
a) z_1*z_2
b) z_1/z_2
c) the polar form of both given numbers 