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From the general expression for the total kinetic energy before the collision, I tried to derive m2, but I couldn't: Ec = 1/2 m1 v1^2 +...

A body of mass m1 = 2 kg with a velocity v1 = 12 m/s collides elastically with a second body initially at rest. The first body continues...

There are 2 "sections" of the core, the inner and outer cores. The inner core, which has a mass around 0.4 to 0.6 solar masses (meaning...

https://royalsocietypublishing.org/rsta/article/375/2105/20160271/58751/The-mechanism-s-of-core-collapse-supernovaeCCSN In the section...

The inner part of the core, about 0.4 to 0.6 M⊙, is in sonic contact and collapses homologously, while the outer core collapses...

Sorry, but Einstein was an engineer—how did he know all that math? Was he self-taught? In fact, he did work with a mathematician. So...

Is the binding energy per nucleon clearly equal to the energy required to extract a nucleon?

The collapse of the critical-mass iron core accelerates rapidly. This runaway is driven principally by photodissociation of iron-peak...

Hi everyone, Is it possible to explain in simple terms why the Chandrasekhar mass is generally a function of electron fraction and core...

Reading your link, it looks like by "hydrostatic burning", they mean the nuclear fusion that occurs while the star is still in...

https://theorie.ikp.physik.tu-darmstadt.de/nucastro/research_core.html

Hello What does hydrostatic burning mean in relation to supernova nucleosynthesis ?

I think momentum

I have tried various ways but I can't get a correct result