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theEric
 2 years ago
Best ResponseYou've already chosen the best response.0If you consider forward as the positive direction, as many people probably would... then what sign would the backwards direction be?

theEric
 2 years ago
Best ResponseYou've already chosen the best response.0If this just confused you, I'm sorry! I want to make a small point, though, that signs often matter in physics.

theEric
 2 years ago
Best ResponseYou've already chosen the best response.0Right! So if the velocity is backwards, it is considered negative. So if you see that the velocity is negative, the velocity is backwards :)

theEric
 2 years ago
Best ResponseYou've already chosen the best response.0Oh, I guess I should also say... If the velocity is backwards, then you'll see that the velocity is negative!

theEric
 2 years ago
Best ResponseYou've already chosen the best response.0if the velocity line or curve is below velocity = 0, which will be below the time axis because the time axis is at velocity = 0, then the velocity is backwards.

theEric
 2 years ago
Best ResponseYou've already chosen the best response.0From t=0, meaning "the start", this guy was heading backwards. At various speeds! But backwards the whole time. At the end, there, he or she was heading backwards pretty fast (compared to how fast she or he was going earlier).
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