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nma
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on a velocitytime graph who can you tell a person goes backwards
 one year ago
 one year ago
nma Group Title
on a velocitytime graph who can you tell a person goes backwards
 one year ago
 one year ago

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

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

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

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

theEric Group TitleBest ResponseYou've already chosen the best response.0
dw:1350527399138:dw
 one year ago

theEric Group TitleBest ResponseYou've already chosen the best response.0
if 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.
 one year ago

theEric Group TitleBest ResponseYou've already chosen the best response.0
dw:1350528332182:dw
 one year ago

theEric Group TitleBest ResponseYou've already chosen the best response.0
From 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).
 one year ago
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