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Gavran's latest activity
G
Gavran
reacted to
WWGD's post
in the thread
I
Non orthogonal basis and the lines of its coordinate grid
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Not sure I understand what you're asking . Clearly, if vectors v,w ,have different representation ##\{(a,b),(c,d)\}## and ##\{(a',b')...
Apr 30, 2024
G
Gavran
reacted to
Lnewqban's post
in the thread
How do I find the circumference and Area of this figure?
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At midpoint of each “a” side, the first portions of the curves must be either tangent or perpendicular to it. Therefore, it is safe just...
Apr 30, 2024
G
Gavran
replied to the thread
I
What's the physical meaning of Curl of Curl of a Vector Field?
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There are two Laplace operators, the scalar Laplacian and the vector Laplacian. The Laplacian ## \nabla^2 ## used in the equation $$...
Apr 29, 2024
G
Gavran
replied to the thread
I
EM field and EM wave
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Whenever a charged particle is accelerated or decelerated electromagnetic radiation will be produced. The only condition for generating...
Apr 26, 2024
G
Gavran
reacted to
tremain74's post
in the thread
Engineering
Determine the resultant of the coplanar forces
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I used Rx = 100cos(0) + 200cos(90) = 100. Ry = 100sin(0) + 200sin(90) = 200. tanO = Ry/Rx =...
Apr 24, 2024
G
Gavran
reacted to
andrewkirk's post
in the thread
What is the difference between the two sine rules for resultant vector?
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There is only one rule. The second one you wrote is just what you get when you take the reciprocals of all the items. Naturally if a=b...
Apr 24, 2024
G
Gavran
replied to the thread
Engineering
Determine the resultant of the coplanar forces
.
The method is correct. The result ## R=\sqrt{100^2+200^2}=\sqrt{50000} ## should be rounded to what the answer is.
Apr 23, 2024
G
Gavran
replied to the thread
How electricity distributers achieve equal phase loads?
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The duty of current balancing is solidarity of both of electricity suppliers and customers. The utilities must do it for voltage...
Apr 22, 2024
G
Gavran
replied to the thread
What is the difference between the two sine rules for resultant vector?
.
There are four rules and they are the law of sines, the law of cosines, the law of tangents and the law of cotangents. The law of sines...
Apr 17, 2024
G
Gavran
replied to the thread
Condition for coplanarity of two lines
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Mistakes are learning experiences.
Apr 17, 2024
G
Gavran
reacted to
WWGD's post
in the thread
Condition for coplanarity of two lines
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Like
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Yes, I was wrong. For one, any two lines in a plane that aren't parallel, can't be skew, so must intersect. Thus two lines that are skew...
Apr 17, 2024
G
Gavran
replied to the thread
Condition for coplanarity of two lines
.
The condition for coplanarity of two lines ## \frac{x-x_1}{a_1} = \frac{y-y_1}{b_1} = \frac{z-z_1}{c_1} ## and ## \frac{x-x_2}{a_2} =...
Apr 15, 2024
G
Gavran
reacted to
pasmith's post
in the thread
Condition for coplanarity of two lines
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If \mathbf{x_0} + \lambda\mathbf{n_0} and \mathbf{x_!} + \mu\mathbf{n_1} lie in the same plane, then the normal to that plane must be...
Apr 15, 2024
G
Gavran
reacted to
chwala's post
in the thread
Solve the given word problem: Selecting 2 numbers from a watch face
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yeah typo error. Cheers man.
Apr 15, 2024
G
Gavran
replied to the thread
Solve the given word problem: Selecting 2 numbers from a watch face
.
or 10-4=6.
Apr 12, 2024
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