BvU's latest activity
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BvU replied to the thread Question About homework on Coulomb's Law.Interesting hieroglyphs! Could you provide a transcript ? ##\ ## -
BvU replied to the thread Intersection of a circle and a sine curve.Red circle: ##(x-\pi/2)^2+(y-999)^2=1000^2\ ## blue sine: ##y = \sin x\ ##...
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BvU replied to the thread Solve the first order linear differential equation.Just so we don't waste time: is it $$\dfrac{dy}{dx} + \ln (x y) = 6x$$ or is it $$\dfrac{dy}{dx} + (\ln x) y = 6x\ ?$$ ##\ ##
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BvU replied to the thread Angular motion of a car wheel traveling at certain speed.You will need another relevant equation. Can you show it ? ##\ ##
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BvU replied to the thread Angular motion of a car wheel traveling at certain speed.7 rounds per second means seven revolutions, not seven radians ... ##\ ##
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BvU replied to the thread Limit of piecewise function using epsilon delta.
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BvU replied to the thread [ASK] Trigonometric Inequality.How about replacing all [TEX] and [/TEX] with ## and sin with \sin, cos with \cos ? and then ask: "Now that my post is legible, how...
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BvU replied to the thread Writing a vector parallel and normal to a unit vector ##\hat n##.Same as in your drawing: ##\vec{A}_n## is the component of ##\vec {\bf A}## along ##\hat n## and ##\vec{A}_{\perp n}## is ##\vec {\bf A}...
