please I'll medal and fan I just need help understanding how to do it

- Crazypizzalover

please I'll medal and fan I just need help understanding how to do it

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- katieb

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- Crazypizzalover

- anonymous

Omg I'm doing that right now it's so confusing ðŸ˜ª

- anonymous

go to khan academy.

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## More answers

- anonymous

Or give your thoughts where are you sticking

- Crazypizzalover

I'm not scared to do a little work I just need some basic help on what their asking

- anonymous

Which question are you stuck on?

- Crazypizzalover

like when it says what the length of\ the x- component does it mean like 8 because its 8

- Crazypizzalover

@diracdelta

- Crazypizzalover

@Sophilou

- Crazypizzalover

##### 1 Attachment

- anonymous

1. Length of x component is x2-x1.
Did you solve that already?
I see your work at the bottom of the graph.

- Crazypizzalover

that's what I'm trying to figure out how did you find the length

- Crazypizzalover

......................

- anonymous

It is correct....
9-1=8 8 is length
??

- Crazypizzalover

oh yea thats what was already written their I didnt put that their

- Crazypizzalover

but thats what I was thinking

- anonymous

This is more like pre algebra.
If you are taking physics you should know this.
x2-x1=9-1=8

- anonymous

and y2-y1=10-4=6
Do you see the x and y components in the triangle?

- Crazypizzalover

ok so then for the first two lines I write like 8 for x component and 6 for y component

- anonymous

That works.

- anonymous

Foe 3. a^2+b^2=c^2
Know this?

- Crazypizzalover

and then I do the Pythagorean theorem do I set it up like this 8^2 +6^2
yea i know Pythagorean

- anonymous

Yes.

- anonymous

What did you get for length?

- Crazypizzalover

I got what I told you 8 for x 6 for y

- anonymous

That would be your displacement vector.
Displacement is (endpoint-starting point)

- anonymous

For 3.
Of course I know that.

- Crazypizzalover

So for three what am I doing then

- anonymous

Omg my computer is so slow is there any other way we could talk

- Crazypizzalover

here my ipad number is 8175768395

- anonymous

Foe 3. a^2+b^2=c^2
Know this?
I put that earlier, bit I made a typo.
It should be "For 3."

- Crazypizzalover

yea that Pythagorean theorm

- anonymous

Ex: for 4.
means that I am helping you with problem 4.
Understand?
I do it by order.

- Crazypizzalover

ok

- anonymous

I do the next problem after you are finished.
You were finished with 1 and 2 and now I am doing 3 with you.

- anonymous

For 3. a^2+b^2=c^2
Solve for c since we have a and b already.

- Crazypizzalover

ok thank you so are we plugging in numbers now

- anonymous

Yes, do you remember pythagorean theorem?

- Crazypizzalover

of course thats like the easiest to do

- Crazypizzalover

so would it be plug in 8 and 6 to find c

- anonymous

It is a right triangle and you are trying to find displacement vector.
You got the x and y components.
You do know they tell you hints in the worksheet right?
Have you passed Algebra yet?

- anonymous

Yes, you would plug 8 and 6 to find c

- Crazypizzalover

yes its a right triangle so it would be 8^2+6^2=c?

- anonymous

yes

- Crazypizzalover

ok so 8 time 2 equales 64 then 6 time 2 equals 36 add them i get =100

- Crazypizzalover

square root of 100 is 10

- anonymous

yes.
that is displacement.
Displacement is like the distance between your ending point and starting point.

- anonymous

For 4. what is distance traveled and what is your displacement? Then you would compare them.
Pretty common sense in this question.

- Crazypizzalover

ok so my displacement is 10 and

- Crazypizzalover

14 is the distance

- anonymous

Yes, that is the answer.
Well, you got to put it in sentence.

- Crazypizzalover

ok so my distance 14 is greater than my displacement which is 10.

- anonymous

The lab you can do by yourself. It is easy if you review what I taught you.

- anonymous

That works.

- anonymous

Lets go to conclusion now.

- anonymous

For 1 a). it is common sense.
1 b). ending point-starting point.

- anonymous

1 b) final position-initial position.

- Crazypizzalover

those questions arent on her?

- anonymous

Scroll down. It is.

- Crazypizzalover

i think he ended it at 14m

- Crazypizzalover

@Shalante

- Crazypizzalover

ok so for the conclusion the distance he travaled i think would be 14 km or do I add like

- anonymous

How?
Distance traveled=total distance traveled.

- anonymous

Read the problem again.

- Crazypizzalover

he travled 9km then went back 4km and then turns around again and travels 14km

- anonymous

So what is your answer?

- anonymous

Total distance=amount of distance the truck traveled (includes every distance)

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