a man running on a straight path at 3 meters per second accelerates uniformly to a speed of 5.23 meters per second in 9.65 seconds. What is the total distance traveled? What formula can i use?

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- anonymous

- katieb

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- anonymous

\[x _{f}=x _{i}+v _{1}\Delta t+\frac{ 1 }{ 2 }a \Delta t ^{2}\]

- anonymous

whats a?

- anonymous

a would be the acceleration.

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## More answers

- anonymous

what would it be in this case though? like what number?

- anonymous

Actually the first equation you should use is this one \[v _{f}=v _{i}+a \Delta t\]

- anonymous

this will help you compute your acceleration.

- anonymous

ohh so first we solve for acceleration and then plug it into the other formula?

- anonymous

then you could actually just use the formula \[v _{f}^{2}=v _{i}^{2}+2a \Delta x\] and compute the total distance.

- anonymous

so you actually won't even need the first formula, so you can disregard it.

- anonymous

what did u end up getting for acceleration because i got 4 and then did the problem and got it wrong..

- anonymous

the answer is not 4.

- anonymous

just kidding!

- anonymous

i got it! haha i divided wrong

- anonymous

you should setup the problem and show me how you did it. but the answer came out to be 39.7

- anonymous

ok good job :)

- anonymous

lol yeah i figured it out haha
i have some more questions and i dont know what formulas to use and i have my test tomorrow, would u mind helping me out?

- anonymous

i dont mind reposting it so i could give u the best answer but would u mind helping me?

- anonymous

sure. could you make a new thread for it though? This one is cluttered now.

- anonymous

yes! no problem! gracias

- anonymous

de nada

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