jbriggs444's latest activity
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jbriggs444 reacted to PeroK's post in the thread What Determines the Minimum Mass of Block B for Movement on an Inclined Plane? with
Like.
I thought the point was that (depending on ##\mu## and ##\theta##) block B will initially slide down the slope, considerably... -
jbriggs444 replied to the thread What Determines the Minimum Mass of Block B for Movement on an Inclined Plane?.The concern is not about mass A moving mass B. It is about mass B sliding down the ramp in the absence of a force from mass A. If the...
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jbriggs444 reacted to .Scott's post in the thread I What Are the Limits of the Universe According to Cosmologists? with Like.
Or, if the universe really is topologically flat (or otherwise spatially infinite): ##f(x,y,z,t) = \frac{-1}{t^2}## for ##t \ne 0##.
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jbriggs444 replied to the thread I What Are the Limits of the Universe According to Cosmologists?.I think that this is the point that you (@.Scott) were trying to make. Any popularization that tries to describe the initial...
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jbriggs444 replied to the thread B Could we ever create a black hole?.With a mass that low, you'll have to hand the evaporating "hot potato" around very fast.
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jbriggs444 replied to the thread What Determines the Minimum Mass of Block B for Movement on an Inclined Plane?.Then should we worry at least briefly about the possibility that the block B begins to slip downward immediately and does not come to...
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jbriggs444 reacted to Dale's post in the thread Help me understand why “Block Universe” is not scientifically proven with Like.
The debates about probabilities in QM are far stronger than the debates about the block universe. However, I think that you miss the...
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jbriggs444 reacted to sophiecentaur's post in the thread B The focal length of the eye and image inversion with Like.
On a Zoom call with several others, you may notice that your image is arranged to be the familiar mirror-inverted but everyone else is...
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jbriggs444 reacted to nasu's post in the thread Different way to find center of mass of Hollow hemisphere with
Agree.
You may get better/more answers if you formulate a more specific question rather than just this "check my work" format with three pages... -
jbriggs444 reacted to BillTre's post in the thread Which is which among Cyclone, Hurricane, and Typhoon? with Like.
An energy imbalance can spawn the formation of dissipate structures. These would include tornadoes and hurricanes among other things.
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jbriggs444 replied to the thread Which is which among Cyclone, Hurricane, and Typhoon?.Hurricanes can spawn tornadoes.
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Oh, you youngsters !
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The God of thunder, crossed the skies, upon his favourite filly. "I'm Thor", he cried, and the horse replied, "You've thorgotten the...
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jbriggs444 replied to the thread Collection of Lame Jokes.Why did the astronomer put meat in his shower?
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jbriggs444 replied to the thread I 1:1 versus 2:1 Mechanical Advantage debate.Are we arguing about the definition of "mechanical advantage" or are we nattering about a choice of reference frame and where to draw...