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x is your answer , apply sine rule / cos rule or any other faster way , try to find it yourself :)
it still makes no sense to me ! please explain ?
please explain !
first, set a scale for your measurements so that you can draw it in your paper using a ruler, example if you scale it 1 cm: 1 m... 3.5 m will be 3.5 cm and use this measurement using the ruler.. don't forget the direction.. do this also on the other measurements.. after that, if you're done.. measure the length of the tail of the first vector, which is the tail of 3.5 m, to the head of the last vector which is the head of 15 m.
use your protractor to measure the direction between the resultant displacement and the first vector|dw:1378085555325:dw|
hopr you understand.. and if i made a mistake please let me know:)
i still dont understand ! :(
do the steps slowly... and ask a specific question according to the explanation that i did, if you really tried to understand it..
when i draw the vectors do i start from the origin or continue from the last vector?
oh sooryy.. i mean scale..
ok.. then.. how many cm are there in 3.5 m?
that's big!! wait i made a mistake! sorry.. we should have a scale of 100 cm: 1m.. ok ? so in 3.5 m we will have also 3.5 cm.. now, using your ruler.. draw a vector which is 3.5cm going south..
did you draw it already?
can you show me a rough sketch?
oh your using NWES plane.. ok your right..good:) but are you allowed not to use that? then
im pretty sure i am, my teacher doesnt care
ok..it's easier for me not to use that.. but i'll try.. so next is to draw the second vector.. draw 8.20 cm from the origin using your ruler and use your protractor to measure the angle(30) from the line of E..
i tried to do it.. but it doesn't work graphically using NEWS plane:( because if you will use that, you need to solve it algebraically..
do the same thing that we did, but connect the two vectors head to tail....
it can be done on the same graph right?
no, not that graph.. don't do north,south,west,east graph.. just a blank paper and do the steps we just did..
yeah i got a new paper, but i mean the paper i drew the 8.2 vector from the origin .
okay i did this
now from here do i move 15 m west ?
from the head of the second vector.. don't forget to scale.. after that follow the last step above^ sorry i really need to go now, hope i help you a little bit.. i'll go offline for at least one week..
its okay! thank you for all your help !