You have the coordination when you learning about the Math, to that vector you define from the ground it where you toss up, not coming it down. So you saying X or Y in the most intuitive sense, you just assuming everything throwing a trajectory up curving up, and coming down on the horizontal sense. Not the yesterday sense. Those called the "Free Landing", v=gt 自由落體, the Simon's that square boxes behind background represent. That is a known term, a known experiment, a known situation, you should just memorize that entire things never leave that term.
To the most other things when you saying you just intuitively stand there, and start tossing a ball in your hand to another person, similar height. If that guy is not there, your position A to landing at the B, while the big ball, medium Wal-Mart ball touch the ground, because the B person is not there. It will always fallen right at the ground no matter what.
It will never go beneath the ground.
That saying you have the formula in the x you see y here. Below....
I used to telling you the math in that sin, or cos, tan, cot, sec, csc, its the piano hand gesture how it hands up in your memorization
Sin = The straight height over the /
Shut up ! (Wind)
That is called the sin degree, usually you mean that angle were toward the Right ....
Your door on the left, remember? I picking up my ground garbage human, you will be at the left, that is the triangle end.
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