Apparently this is too much for my lecturer to manage. How the HELL am I supposed to know whether I am even vaguely doing this right?!

Fluid mechanics lulz.
It’s 1:30am. I got my coffee and my gay bacon*. Let’s do this.
*

What is this I don’t even…
Yeah, the lecture slides I am working from make PERFECT sense.
On a toy accordion. 
Time to hit the books again. *sigh*
Just for reference, a sense of how screwed I am. 7 exams in the next 2 weeks, have revised properly for 1 of them. Entirely my fault, woooo.