idontspeakmath
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1) can velocity starts at not zero? but if all objects have to start moving from somewhere, then wouldn't initial velocity always be zero?
2) can velocity starts at negative?
3) can displacement be negative, or we're always heading in the positive direction?
4) if it's up to us to determine in what direction we're going, then wouldn't our answers be unsynchronized?
5) if a ball is thrown upward and then falls, would the acceleration be constant all the time? (even when it's at the very top when v is zero?)
6) if a ball is thrown downward and another is just dropped casually, would they reach the ground at the same time? why?
um, maybe to justify the obviousness of the answers to the questions that only i don't see . . . this is my first time dealing with physics theories.
--> this just reminds me of calvin&hobbes
2) can velocity starts at negative?
3) can displacement be negative, or we're always heading in the positive direction?
4) if it's up to us to determine in what direction we're going, then wouldn't our answers be unsynchronized?
5) if a ball is thrown upward and then falls, would the acceleration be constant all the time? (even when it's at the very top when v is zero?)
6) if a ball is thrown downward and another is just dropped casually, would they reach the ground at the same time? why?
um, maybe to justify the obviousness of the answers to the questions that only i don't see . . . this is my first time dealing with physics theories.
--> this just reminds me of calvin&hobbes
