If we take an imaginary planet which consists entirely of water (i.e. a big ball of water in space), what would be the pressure at the center of it? My friend argued that it would be zero, since the ...
I saw a video some days ago (Hello Kitty in Space) of a schoolgirl successfully launching a balloon into space which later popped and landed ~47 km from launch site. If I vertically launch an object ...
I am a mathematician, not a physicist, so please be gentle with me if I write something wrong. Consider a bounded, regular container $\Omega$, which is filled with the fluids $F_1,...,F_N$ which do ...