Gavran's latest activity
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GGavran reacted to songoku's post in the thread Correct statement about siphon used to empty water tank with
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Thank you very much for all the help and explanation jbriggs444, Chestermiller, Lnewqban, Gavran -
GGavran replied to the thread I Trigonometry problem of interest.Okay. ## c^2=a^2+(2R)^2-2\cdot a\cdot2R\cdot\cos(\angle ADC) ## ## c^2=x^2+b^2-2\cdot x\cdot b\cdot\cos(\angle ABC) ## I want to offer...
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G@Gavran I presume in your solution that you plugged in ## R=x ##. You then get ## a^2-b^2+3x^2 =2a^2+ab ## so that ## 3x^2=a^2+b^2+ab...
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GGavran reacted to Charles Link's post in the thread I Trigonometry problem of interest with
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Looking back to the other posts, I see @Gavran also used Ptolemy's theorem previously in post 43, but the post 52 method gets the... -
GGavran replied to the thread I Trigonometry problem of interest.You are right. There is one more approach which is based on the figure from the post #39 and it is simpler than the one I have provided...
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GGavran replied to the thread Correct statement about siphon used to empty water tank.Yes it does and this holds in theory. There is not an idealized situation in theory when PB=0 and the syphon works...
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GGavran replied to the thread I When are Markov Matrices also Martingales?.The formula is correct.
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GRelated question: Let M be an ## n \times n ## constant matrix, with constant value ##c## and let ##k ## a positive Integer. Is this...
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G@kuruman Very good. :) Excellent derivation. Between you and @renormalize of post 32, we have a simpler expression for ## R=x ## than...
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GUsing another point as center of the R = 11.0 largest blue circle:
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GGavran replied to the thread I Trigonometry problem of interest.One more approach based on https://en.wikipedia.org/wiki/Cyclic_quadrilateral and the cosine theorem. ## \angle...
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GGavran replied to the thread Correct statement about siphon used to empty water tank.https://en.wikipedia.org/wiki/Siphon#Maximum_height
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GGavran replied to the thread Correct statement about a reservoir with an outlet pipe.True. P2-P1=ρgh holds when v1=v2, and as you said in the original post, v1 can not be equal to v2, except in the case when v1=0 and v2=0.
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GGavran replied to the thread Correct statement about a reservoir with an outlet pipe.Bernoulli's equation P+ρgh+(1/2)ρv2=const is the logic for analyzing statements (ii) i (iii). The statement (ii)...
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GGavran reacted to songoku's post in the thread Greatest possible value of a constant in polynomial with
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Thank you very much for the explanation fresh_42, PeroK, Gavran
