"An object traveling. Most likely a projectile based on the hypotenuse, speed, and the duration of the objects supposed path.”
this was Ziska… a bit on the less than sane side according to many, but she was rather intelligent, collected and could learn a new skill in no time… at least that was based on what Burr had seen of her so far. He could be completely wrong, she could be hiding a bluetooth earpiece somewhere… probably her ear? But he was rather certain that she was just smart and retained information.
Judging from the bags under her eyes… Ziska didn’t sleep last night… “Right you are, Ziska.”. Geoff chose to ignore the fact that students were whispering in the back of the class. An eraser lifted itself and began wiping the marks off of the board. “Alright, let’s break down two dimensional motion into individual vectors.” As he talked another marker began drawing a diagonal arrow pointing upward to the right in the middle of the board. “This is a vector. We know this because it has a magnitude, determined by the length of the stem, and a direction - it’s an arrow. We can label it as vector ‘a’” The marker drew an a with a small arrow above it next to the stem of the vector.
“So now we have vector ‘a’ - usually representing the force that is launching the object. Let’s include vector ‘b’ which is always the factor, gravity.” The marker drew another arrow, this one’s stem began at the tip of vector ‘a’ and pointed downward, stopping when it reached a horizontal axis with the beginning of the stem on vector ‘a’. “After we add vector ‘b’, vector ‘c’ plays the part of the ground, or the displacement, forming a ninety degree angle with vector ‘b’.” On the board was a triangle, the first arrow was labeled ‘a’ and pointed diagonally upward to the right, the second pointed downward and was labeled ‘b’ and the third and a straight arrow between the beginning of the stem on ‘a’ and the head on ‘b’.
“Does anyone have any questions so far?”