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TheGreatDeadOne's latest activity
TheGreatDeadOne
reacted to
kuruman's post
in the thread
Conservation of momentum (center of mass) in projectile launches
with
Like
.
This equation is wasting, if not ink from your pen, pixels from my screen and does not convey what you think it does. $$m\vec v_{0} =...
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Conservation of momentum (center of mass) in projectile launches
.
Old question, and I forgot about it (It's not worth reviving an old thread). Going through some papers I found these notes and tried to...
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Conservation of momentum (center of mass) in projectile launches
.
Yes, but considering it that way, there would be no way to solve it via momentum conservation. In the question we have (it's in the...
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Conservation of momentum (center of mass) in projectile launches
.
Momentum conserves only in the ##\hat x## direction. What I wrote later there was just me wasting ink from my pen. So $$m\vec v_{0} =...
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Conservation of momentum (center of mass) in projectile launches
.
It's not really an explosion - the question uses that term - because then we'd be adding energy to the system. It's more like a...
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Conservation of momentum (center of mass) in projectile launches
.
"Where does the factor of 3 in the denominator come from and why did it disappear in the next equation?" Typing error.
Apr 6, 2024
TheGreatDeadOne
posted the thread
Conservation of momentum (center of mass) in projectile launches
in
Introductory Physics Homework Help
.
I've already solved this problem using another resource (just get the coordinate of the range of the center of mass and from there, get...
Apr 6, 2024
TheGreatDeadOne
reacted to
Orodruin's post
in the thread
Surface Integral of a sphere
with
Like
.
Good luck! Choose the z-axis of your spherical coordinates wisely!
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Surface Integral of a sphere
.
I'll try to solve it tomorrow and post it here. Corrected some spelling errors (typed on cell phone)
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Surface Integral of a sphere
.
Ohhhhh I focused a lot on the radial (fixed) part that I forgot about the azimuthal and polar dependence. edit: misspelling
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Surface Integral of a sphere
.
Ok, edited. The vectors within the module would be the separation vector ## R = |\vec{r} - \vec{r'}|##.
Apr 6, 2024
TheGreatDeadOne
replied to the thread
Surface Integral of a sphere
.
Yes, they are vectors, I thought it was implicit in the question. But I still don't understand your point in saying "mistakes". That...
Apr 6, 2024
TheGreatDeadOne
posted the thread
Surface Integral of a sphere
in
Calculus and Beyond Homework Help
.
Solving the integral is the easiest part. Using spherical coordinates: $$ \oint_{s} \frac{1}{|\vec{r}-\vec{r'}|}da' =...
Apr 6, 2024
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