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lsie's latest activity
L
lsie
replied to the thread
Derive trig equations 4, 5, and 6 from 1, 2, and 3
.
Ok, I've worked out equation number 4. My solution was to square equations one and two, add them together, and reduce them down with...
Apr 1, 2024
L
lsie
replied to the thread
Why Is Deriving the Motion Formula for Hoops More Complex?
.
Got it. I saw some google-images of a hoop with some thick-ish edges and it threw me off. Cheers!
Mar 20, 2024
L
lsie
replied to the thread
Why Is Deriving the Motion Formula for Hoops More Complex?
.
That worked! Thanks. I was certain the solution would be more elegant. Out of curiosity, are there good reasons why we can neglect the...
Mar 20, 2024
L
lsie
posted the thread
Why Is Deriving the Motion Formula for Hoops More Complex?
in
Introductory Physics Homework Help
.
I've worked out how to derive the formulas for a solid cylinder and a solid sphere rolling down a hill. E.g., for a cylinder: Emech =...
Mar 20, 2024
L
lsie
replied to the thread
Derive trig equations 4, 5, and 6 from 1, 2, and 3
.
I've worked on this and still haven't figured it out. I'm wondering if it's basically a matter of substitution tetris or if there's...
Mar 20, 2024
L
lsie
replied to the thread
Derive trig equations 4, 5, and 6 from 1, 2, and 3
.
You're absolutely right that the OP wrote equation 2 down wrong. I'll be back to look over what you've written tomorrow, when I have...
Mar 19, 2024
L
lsie
replied to the thread
Derive trig equations 4, 5, and 6 from 1, 2, and 3
.
I think, for equation 6, I need to end up with something like sin (theta) - cos (theta) = 0. But I can't seem to get there. Ditto for...
Mar 19, 2024
L
lsie
replied to the thread
Derive trig equations 4, 5, and 6 from 1, 2, and 3
.
Did anyone manage to figure this out? I'm hitting a brick wall.
Mar 19, 2024
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