Oh my gosh, that was needlessly painful. For the final time this semester, thank you Mastering for making something so simple so unnecessarily ambiguous. Three "tick" marks over one "tick" mark = answer = completely ambiguous waste of time and energy.
Nonetheless, thanks for your help...
Foremost, this is my first post on PF, but I have used the sites archives extensively for help on my physics homework this semester, so many thanks to all! You have no idea how much you helped save me time, points, and also improved my understanding of the material.
But I'm stuck on a very...