Lnewqban's latest activity
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Lnewqban reacted to songoku's post in the thread Correct statement about a reservoir with an outlet pipe with
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When te straw is lifted, water level inside the straw will decrease causing the volume occupied by the air increases ans reducing the... -
Lnewqban replied to the thread B Basic thermal energy transfer physics: Insulation value in open airways vs sealed airways.Welcome @dacad Please, see: https://www.engineeringtoolbox.com/convective-heat-transfer-d_430.html
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Lnewqban replied to the thread Struggling to make relation between elastic force and height.The pulling force of each person and the tension force along the whole nylon string must be the same for each instant. In this specific...
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Lnewqban replied to the thread 2:1 Pulley Question.Sorry, I am unable to understand your sketch above. Could you show us a more realistic diagram, please?
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There is also a lovely theorem by Ptolemy that deals with cyclic quadrilaterals. I think that will work......not an intuitive result...
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Lnewqban reacted to jbriggs444's post in the thread Correct statement about siphon used to empty water tank with Like.
At room temperature the saturated vapor pressure of water is about 3% of an atmosphere. Whether this counts as "approximately zero"...
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Lnewqban replied to the thread 2:1 Pulley Question.In the first case, mass B moves at double the speed of mass A. In the second case, mass B moves at half the speed of mass A.
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Lnewqban reacted to russ_watters's post in the thread A practical way to vaporize fuel for high MPG? with Like.
Adding to this: a Mustang Mach-E gets about 3 mi / kWh, almost exactly equivalent to 100mpg, or 12 hp at 80% efficiency. It's in the...
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Lnewqban reacted to jack action's post in the thread A practical way to vaporize fuel for high MPG? with Like.
In an ideal reciprocating engine, any thermodynamic loss found in the compression stroke is compensated by the gain in the following...
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Here is the derivation mentioned in post #30. Refer to the figure on the right. It shows half the hexagon as a quadrilateral inscribed...
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Lnewqban replied to the thread A Is 'Velocity of Transport' a Recognized Term in English Mechanics Literature?.Isn't the relative velocity equal to zero in this case in which "point A is attached rigidly to the moving frame" respect to which its...
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Lnewqban replied to the thread Static Mechanics: Aircraft Nosewheel Linkage Torque.Consider the external force and moment acting on the whole mechanism first. One is the represented M, which is necessary to raise the...
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Lnewqban reacted to Borg's post in the thread Medical New Alzheimer's Treatment Clears Plaques From Brains of Mice Within Hours with Like.
I've been reading a bunch of articles in this month's Scientific American on Alzheimer's and ran across this article in a web feed that...
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I've been trying to find others, but so far only 2,7, and 11 along with 1, 13, and 22 plus multiples thereof. The combinations that...
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@Lnewqban I didn't know the name of it, but Thales' theorem was one of a couple of things I was trying to apply to simplify things. It...