jbriggs444's latest activity
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jbriggs444 replied to the thread I What Are the Limits of the Universe According to Cosmologists?.My training as a network engineer (retired) has been activated... On the face of it, the URL... -
jbriggs444 replied to the thread I am writing a SciFi story but I don't like Rayguns.If one is talking about hand held ballistic projectile weaponry then there is not a lot of room for improvement over gunpowder and lead... -
jbriggs444 reacted to Herman Trivilino's post in the thread What Determines the Minimum Mass of Block B for Movement on an Inclined Plane? with
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It seems a lot of confusion is created for the OP when the full original problem statement is not provided. The learner may not be able... -
jbriggs444 reacted to PeroK's post in the thread What Determines the Minimum Mass of Block B for Movement on an Inclined Plane? with
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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... -
jbriggs444 reacted to .Scott's post in the thread I What Are the Limits of the Universe According to Cosmologists? with
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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##. -
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... -
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. -
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... -
jbriggs444 reacted to Dale's post in the thread Help me understand why “Block Universe” is not scientifically proven with
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The debates about probabilities in QM are far stronger than the debates about the block universe. However, I think that you miss the... -
jbriggs444 reacted to sophiecentaur's post in the thread B The focal length of the eye and image inversion with
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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... -
jbriggs444 reacted to nasu's post in the thread Different way to find center of mass of Hollow hemisphere with
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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
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An energy imbalance can spawn the formation of dissipate structures. These would include tornadoes and hurricanes among other things. -
jbriggs444 replied to the thread Which is which among Cyclone, Hurricane, and Typhoon?.Hurricanes can spawn tornadoes.
