jbriggs444's latest activity
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jbriggs444 replied to the thread I've come across another fluid pressure problem I don't understand.If the pistons were motionless in equilibrium with some external force (as I had supposed), no water would flow. So the check valve... -
jbriggs444 reacted to haruspex's post in the thread I've come across another fluid pressure problem I don't understand with
Like.
I do not understand the function of the check valve here. It is drawn as though allowing flow upwards, which means admitting air if the... -
jbriggs444 replied to the thread I've come across another fluid pressure problem I don't understand.I agree that the downward force (suction) from the water on the first piston (##F_1##) is 50000 N. I agree that the upward force...
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jbriggs444 reacted to A.T.'s post in the thread Undergrad Question about Parallel Transport with Like.
Every time he himself turns by an angle x relative to the ground beneath his feet, he also turns the arrow by -x relative to himself, so...
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jbriggs444 reacted to JT Smith's post in the thread A three month long summer vacation from public school seems stupid with Like.
It's a question of balance and clearly there is disagreement about that. Fortunately one person's preference doesn't decide. If I were...
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jbriggs444 reacted to PeroK's post in the thread A three month long summer vacation from public school seems stupid with Like.
@jbriggs444 many years ago, I was watching the US Open Tennis. Andy Roddick was playing Giles Muller from Luxembourg. The commentators...
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jbriggs444 reacted to PeroK's post in the thread A three month long summer vacation from public school seems stupid with Like.
We have Christmas and Easter breaks as well. It's also worth noting that the teachers holidays are shorter as they have preparation to...
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jbriggs444 reacted to PeterDonis's post in the thread A three month long summer vacation from public school seems stupid with Like.
You shouldn't be. All human history shows that we humans are very poor at deciding things for others. There are cases where it has to be...
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jbriggs444 replied to the thread A three month long summer vacation from public school seems stupid.It would be easy to read this as saying that unproficient students is a solved problem. That the solution is called "special education"...
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jbriggs444 replied to the thread A three month long summer vacation from public school seems stupid.For us (1960's and 70's midwest US) it was a three month vacation from June through August. My parents were both teachers, so the entire...