A cyclist stops at a stop sign. After he checks the intersection, he begins pedaling again. He reaches a velocity of six meters per second in three seconds. What's the cyclist's acceleration?
HELP ME PLEASE

- anonymous

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- schrodinger

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- shreenithaa

first write the formula

- shreenithaa

what is it?
i need to write it so i can talk u through this,okay?

- anonymous

What do you mean the formula? Oh gosh I am not good at this!

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## More answers

- anonymous

That is all that is there

- kl0723

can you use velocity = intial velocity + accel x time? do you think you have all the data required?

- anonymous

I have the initial velocity. That is 0. The velocity now is 2 m/s2 (That is squared. I do not know what direction the person is going) Time is 3 seconds
I need the acceleration

- anonymous

v=u+at

- kl0723

since the cyclist stops and the starts to pedal again means that he starts from rest, then initial velocity is zero, you're given time and final velocity or max velocity in this case

- anonymous

u=0
v=2m/s
t=3 s
a=?

- anonymous

Yes?

- kl0723

from the equation can you solve for Acceleration and then plug in your data?

- shreenithaa

well, first of all, the formula is velocity equals distance divided by time
acceleration is velocity final minus velocity intial over time final minus time intitial

- shreenithaa

use this info to calculate ur math

- anonymous

so it is 6 - 0 / and 3 - 0?
so the acceleration is 2?

- shreenithaa

velocity is 2 but u need final velocity and the starting velocity and final time and beginning time in order to get the acceleration
we know that final time is 3 seconds

- anonymous

I have the final velocity though. It is 2 m/s (Squared) the direction is not given. What I gave is what I have

- shreenithaa

what if the starting time is 0 so now we need the initial velocity

- anonymous

initial velocity is 0 m/s (Squared) since they are at a stop sign

- shreenithaa

since the starting is 0 so the velocity must be 0 right?

- anonymous

Yes

- shreenithaa

so ur answer is acceleration is 2

- anonymous

That is it?

- shreenithaa

u were right the whole time sorry for the confusion

- anonymous

The answer is just 2?

- shreenithaa

no it has to have the units

- anonymous

What are said units? Like are the from the problem, or?

- anonymous

I just started physics recently, and boy is it hard!

- shreenithaa

meters per second squared

- shreenithaa

what grade r u in and state

- anonymous

8th, texas

- anonymous

Thank you, SO MUCH!

- shreenithaa

8th California

- anonymous

Cool! I'm just not very smart!

- anonymous

2=0+a*3
a=2/3 m/s^2

- anonymous

I er, have no idea what that means if we are being honest here

- shreenithaa

wow same grad right!!!
i moved to virginia where i had honors science so i learned this
i was in cali for most of the time
dont worry i am dumb in many places,but math and science are my specialty u'll find urs

- anonymous

But thanks. Really!|dw:1442535044863:dw|

- anonymous

\[v=u+at\]
\[2=0+a*3\]
3a=2
\[a=\frac{ 2 }{ 3 }m/s^2\]

- shreenithaa

ur welcome good luck;)

- anonymous

Thanks!

- shreenithaa

wait what r u talking about @surjithayer

- anonymous

I don't know either! lol

- shreenithaa

k gotto go

- anonymous

Bye!

- shreenithaa

do u have a texasian accent?

- anonymous

The closest thing to an accent is that I say y'all. Other than that, no

- shreenithaa

i like accents mostly british, canadian, and australian

- anonymous

Gee, thanks! Lol

- shreenithaa

thnx for what?

- anonymous

(sarcasm)

- shreenithaa

ooooh...
i knew that

- anonymous

(It is like thanks for being mean, but a joke)

- anonymous

lol

- anonymous

sorry ,i miss read ,it is 6 m/s
i thought 2 m/s
you are correct
6=0+3a
a=2 m/s^2

- shreenithaa

hey!
i like them i never said i didnt like urs

- shreenithaa

well @surjithayer we already got that thnx for helping anyways

- anonymous

(that is why I was kidding) and thanks @surjithayer

- shreenithaa

i have a friend who i met or met online she's like my study-budy penpel i guess ur mine now too
she's in florida
but in 6th grade

- shreenithaa

sorry penpal

- shreenithaa

i have spelling issues

- anonymous

lol. That is cool I guess. I am doing the rest of my hw rn too, it is way easier

- shreenithaa

k bye im doing mine and helping

- anonymous

bye!

- shreenithaa

hope i meet u tom-tom (tomorrow in my way)
it not tom and jerry

- anonymous

YES, I am done with my homework! YAY

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