A community for students.
Here's the question you clicked on:
 0 viewing
BloomLocke367
 one year ago
Help with finding Resultant vectors using trig? I kind of know what I'm doing but I want verification I'm doing it correctly.
BloomLocke367
 one year ago
Help with finding Resultant vectors using trig? I kind of know what I'm doing but I want verification I'm doing it correctly.

This Question is Closed

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2*whistles while waiting*

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2annnyyyy day now...

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2and im waiting and im waiting and im waitng...

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2TYPE FASTER!!!! xD

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1\(F_1=6.7~N~@ ~54°~W~of~N\) \(F_2=9.2~N~@ ~26°~W~of~S\)

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2Jeese i go to help in math for the first time in a long time and people take forever to post the question! xD

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1sorry XD I had to look up the code for the degree sign

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1I'm pretty sure I have to add \(90°\) to the first one because it's in the 3rd quadrant and you always start in the first for these problems (this is technically physics but it's still math lol)

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2you help them peachpi lel

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1I know I have to separate it in components and I do that using trig.. so.. hang on.. this will take some time for me to type out lol. please be patient.

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.0draw it :p quicker/easier

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1I can't.. my cursor goes BEHIND google chrome.. so I have to type it. /sigh

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2um, out of curiosity, is it a piticulair site orrr...

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1IT'S GOOGLE CHROME. ONLY GOOGLE CHROME DOES IT. ALL SITES.

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1anyhoo.. let me do math cx

Jaynator495
 one year ago
Best ResponseYou've already chosen the best response.2i still dont know what to tell you... *laughs !!half!! to !^death^!*

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1\(F_{1x}=6.7Cos(144)\\F_{1y}=6.7Sin(144)\\ F_{2x}=2.9Cos(244)\\F_{2y}=2.9Sin(244)\) I know I then have to add \(F_{1x}\) and \(F_{2x}\) and add \(F_{1y}\) and \(F_{2y}\).

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1is that correct so far?

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1okay so when I added \(F_{1x}\) and \(F_{2x}\) I got 1.48... but I have a calculator on my phone and I don't know if it's in radians or degrees so I'm not sure that's right...

phi
 one year ago
Best ResponseYou've already chosen the best response.1up top you said F2 is 9.2 and in your calculations you are using 2.9 which is it ?

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1dang it.. it's 9.2.. I accidentally wrote 2.9 :/ okay let me redo them.

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1okay now for y...

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1so then I take \(F=\sqrt{(9.45)^2+(4.33)^2}\) right?

phi
 one year ago
Best ResponseYou've already chosen the best response.1if you want the magnitude, yes

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1yes that is what we are looking for at this moment. I'll find the degree next using tangent.

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1I got 10.39. is that right?

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1and I got 8.01° for the angle measure.. but both x and y are negative.. so it needs to be in the 3rd quadrant and is currently in the first.. so I have to add 180, correct? to get 188.01°

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1wait.. that doesn't matter because they gave direction.. so instead I would just say 8.01° N of E, right?

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1I don't know. .this is where I get confused.

phi
 one year ago
Best ResponseYou've already chosen the best response.1you probably want to use 3 decimals in the calculation if you want 2 digit accuracy I get mag 10.4 (rounded 10.3979) No I did not get 8 degrees type into google atan(4.331/9.453) in degrees =

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1wait.. why did you use those numbers? I used 4.33 and 9.45..

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1wait nevermind *facepalm*

phi
 one year ago
Best ResponseYou've already chosen the best response.1I used 3 digits (you can always round down later) I ignored the 2 minus signs because they cancel each other

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1I SEE WHAT I DID. I typed 1.33 and not 4.33 XD

phi
 one year ago
Best ResponseYou've already chosen the best response.1yes, and that will be 24.6 degrees south of west or 65.4 degrees west of south

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1wait.. why is it south of west?..

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1I thought what we calculated was 24.6° N of E... and we would have to figure out S of W.. but I don't know.

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1Is it because I added what I needed to in the beginning? so I don't have to at the end?

phi
 one year ago
Best ResponseYou've already chosen the best response.1you changed 54º W of N to 144º (measured as we do in math, counter clockwise from the positive xaxis). similarly you changed 26º W of S to 244º now add the vectors (head to tail) dw:1443213168068:dw

phi
 one year ago
Best ResponseYou've already chosen the best response.1you found the components of the dark vector <9, 4> it is pointing south of west. if we find the angle it makes with the (negative) xaxis we get 24.6º

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1ohhh okay. I think I understand a little bit better. My main issue is figuring out what direction/angle the resultant vector is going.

phi
 one year ago
Best ResponseYou've already chosen the best response.1using formulas (as you did) and drawing the vectors are very different ways of solving the problem. If you do it both ways, it is a good way to check your results. the picture gives you a rough idea of the answer and the formulas give the exact numbers.

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1Alright. The next one has 3 vectors.. I generally understand these they just take me a very long time to do them. :/

BloomLocke367
 one year ago
Best ResponseYou've already chosen the best response.1Do you mind if I open a new question and tag you?
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.