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I need help figuring out if I got it correct.
2 minute is not touching 1200 km. Look again.
What is it touching then..?
Where is the horizontal 2 minute line touching in the diagonal line?
It's in middle of 1200 and 1300...
Yea, so try 1250km
Okay, but am I correct with the other parts, Am I reading this correctly?
It looks like a bit more than 1250 km. Like 1260 km. Did you try it?
Okay.... What do you mean? Try it?
Okay, but am I correct with the other parts, Am I reading this correctly? There is only one question you posted...
Oh.. No, I was talking about the 1st question I posted, Did I fill it out correctly..
I did not know which charts you filled or were automatically filled . But it is all correct.
P Wave arrives first (primary) then S waves (secondary) The arrival shows a distinctive pattern.
Ok! Thank you. Gimme a sec to get the other chart.
The difference between 8:07:00 and 8:06:00 is one minute.
How is it 1min? It's right next to each other...
8:06 is is eight pm and 6 minute. Like your clock. 8:07 is right pm and 7 minute. Same as what you did in the last chart.
Oh. Okay. What about the last part, I think it is 600km
Not 8:10:45, more like 8:09:45
I think the last one is 1100km
@Shalante You there?
I think it is talking about these cities Dallas, Texas San diego, California Helena, Montana
You would need to draw 3 circles using a compass Use the distance you got for San Diego. Pinpoint San Diego and use the scale bar for its radius and circle around it. Do the same for the 2 other cities. Your work you showed me was incorrect. The 3 circles should intersect at 1 point which is the epicenter.
I don't understand how they could intercept.. Can you show me please?
What is your distance for San Diego?
Distance? What do you mean?
The exercise you did earlier. All of the practice problems are related to another as a whole for this lab.
Nope that is wrong. Stop doing them and just answer my questions.
600km for San Diego 1,260km for Helena 1100km for Dallas
Correct. Do you see the scale bar at the bottom. Do you know what a radius of a circle is?
^^ is what you are asking, right? Sorry I'm not being very helpful. I suck at this.
Look at your map. Do you see a kilometer with rectangles and number in the bottom?
Yes.. I see them
|dw:1450059179749:dw| Radius is a line in the circle that extends from the center. All of the radius length in a circle is the same. Do you have a compass?
Do I NEED a compass? or can I work without one?
Preferably. But who cares. Just use a ruler or finger. Point to San Diego right now. Stretch your fingers to 600 km using the scale bar. This 600 km is your radius. So the circle around Sand Diego should have a 600 km radius.
I have to do the drawing on the computer, so I can't really use my finger
Touch it on your screen?
Uh..Okay. What next
You never used a scale bar before?
No, not really
Draw the 2 remaining cities.
Wait, I didn't finish the san diego one yet..
Did you follow my steps?
Tell me how you did this
I explained to you what a radius is. Did you understand that?
I didn't see you explaining a radius.. I might have missed your message, give a me a sec and scroll up and look at it..
No need to draw the lines though.
Yes. Do the same for the other two. The circles should have an intersection point which is the epicenter of the earthquake.
No. Do what I told you earlier. Dallas and Helena should in the middle of the circle.
How did you draw out the circle for San Diego?
I measured the Demo graph you showed me with a ruler, and it showed around 3 inches away from San diego to start the circle.
Then do the same for other 2 cities. Helena has 1250km Dallas with 1100
Those are your radius. Now do you know what a radius in a circle is?
It's the distance from the center of a circle to any point on the circle..?
Which part amI supposed to start from when I have figured the distance part..?
@Shalante I'm never going to get the other two correct. ;-; Can you please just show me how..?
What is the distance for Helena, Montana?
The distance is 1,260km for Helena 1100km for Dallas
so 1260 km is radius for helena and 1100 km is the radius for dallas
Yes, So After we have all that figured out. What next? I don't understand how I am supposed to get the circle correct
Radius is 1260km for helena and radius 1100km for dallas. In your circle every radius does not look the same from dallas or helena.
Thank you so much for the help. :)