jnuz73hbn's latest activity
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Jjnuz73hbn reacted to berkeman's post in the thread Acceleration of an Electron in a Uniform Electric Field with
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Your last LaTeX line is confusing since you are setting all 3 equations equal (which they are not). ##E \neq qE## for example. Let me... -
Jjnuz73hbn reacted to berkeman's post in the thread Acceleration of an Electron in a Uniform Electric Field with Like.
Now that I can see your calculations separated, I think your numbers are correct.
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Jjnuz73hbn posted the thread Acceleration of an Electron in a Uniform Electric Field in Introductory Physics Homework Help.$$ E = \frac{5.0\;\mathrm{V}}{0.020\;\mathrm{m}} = 250\;\mathrm{V/m} F = q\,E = (-e)\times E =...
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Jjnuz73hbn replied to the thread Ice Core Density Problem (Inspired by NEEM).got it, thank you , now I have a good density
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Jjnuz73hbn replied to the thread Ice Core Density Problem (Inspired by NEEM).well, $$ F_{\mathrm{buoyancy}} = (m_3 - m_2) \cdot g = (843.2 - 817.0)\,\mathrm{g} \cdot 9.81 = 0.0262\,\mathrm{kg} \cdot 9.81 \approx...
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Jjnuz73hbn posted the thread Ice Core Density Problem (Inspired by NEEM) in Introductory Physics Homework Help.We assume the sample is shaped like a perfect cylinder. The volume is given by: $$V = \pi \cdot \left( \frac{7,2}{2} \right)^2 \cdot...