>in comunnity college physics course >prof talking about

Same reason that they tell you that the earth is round or that climate change is real

>>8634343
Did he embarrass you by proving that light does contain energy, coz your a dense mother fucker

>>8634343
>this thread again

COPY PASTA IGNORE

>>8634574
Not a copy pasta, last thread a few days ago was before i returned to class.

>>8634343
E^2 = (pc)^2 + (mc^2)^2

Is the full equation.

Light is mass less so

E = pc

But,
P = mv/sqrt (1 - v^2/c^2)

You can use calculus to show that m -> 0 faster than the radicand does so you get a non zero value.

Light obviously has energy; the sun feels warm on my skin.

I hope you get expelled for being a shitter.

>>8634519
>Inb4 Can't pass this bait up.

>>8634343
e=mc^2 says that mass is made out of energy, not that energy has to have mass

It's a bit odd since energy also gets stored as the bonds between matter, and we don't really know how many times we can split matter

Each time the bonds seem to get stronger though
splitting molecules (stomach acid) < splitting nucleus (hiroshima) < splitting protons (lhc)

>>8634922
True, but there's good reasons to think that the splitting ends once we have quarks (since they are confined). Of course, some still propose theories where we can even split those (called "preon" theories), but so far, it seems we've found a pretty solid limit.