Lnewqban's latest activity
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Lnewqban reacted to mfb's post in the thread Artemis 2 launch attempt - humans return to the Moon after 54 years with
Like.
The Artemis program in the US aims to return to the Moon, land, and work on long-term expeditions and a permanent Moon base. At least... -
L-42 hours. Orion should be powered up at this point, the rocket stages will follow shortly. Still on track for an April 1 launch, but...
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Lnewqban reacted to jojosg's post in the thread Engineering Shear Stress Question (Rocker Arm & pin diameter) with Like.
ok Thank you very much!
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Lnewqban replied to the thread Engineering Shear Stress Question (Rocker Arm & pin diameter).Your equations and results are correct. I would skip the calculation of the moments in balance, because the pin B is not resisting any...
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[Fincke] suddenly couldn’t speak in space. NASA astronaut says his medical scare remains a mystery Artemis II is still on track for a...
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Lnewqban replied to the thread High School Rubber band: More or less force to stretch at the beginning?.Also, that behavior dramatically changes with age (exposition time to UV light and ozone) and temperature. If some kind of friction is...
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Lnewqban replied to the thread High School Rubber band: More or less force to stretch at the beginning?.Welcome! :smile: Please, see: https://en.wikipedia.org/wiki/Hysteresis#Elastic_hysteresis You can experiment yourself, and feel...
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Lnewqban reacted to .Scott's post in the thread High School Rubber band: More or less force to stretch at the beginning? with Like.
So here's both stories: 1) Pro-Hooke's Law The main ingredient in a "rubber band" is latex. Here's a link to a section of a wiki...
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Artemis II is expected to roll back to the launch pad on Thursday or Friday. NASA aims at an April 1 launch, but every day until April 6...
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Lnewqban replied to the thread A very simple moments question.Torque-free hinges are freely articulated or pinned connections between two members of any structure or armature, or between one member...
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Lnewqban replied to the thread A very simple moments question.I would like you to study the following link, which shows how internal forces transfer the external load to the wall...
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Lnewqban reacted to DaveC426913's post in the thread High School Ant on a stretchy rope puzzle with Like.
Here's the animation from the wiki page: The effect is vastly downgraded, as the rope's expansion is on the same order of magnitude as...
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Lnewqban replied to the thread Undergrad Pumping liquid around and draining a part of it, how much is lost?.No considering any possible effect of air, the volume of pumped liquid should decrease as the level in the container decreases.
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Lnewqban replied to the thread Simple Thermodynamics question: Temperature of water in a cup after adding cooler water to it.Since there is no energy loss to the environment in this case, the initial thermal energy of each mass of liquid becomes the final...
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Lnewqban replied to the thread Simple Thermodynamics question: Temperature of water in a cup after adding cooler water to it.Correction: Then we are adding 0,35 kg of water at 20 °C into the cup. Could you show us how did you arrive to that amount?
