Visually adding and subtracting vectors

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Khan Academy

Khan Academy

Күн бұрын

Пікірлер: 18
@esterbez_z
@esterbez_z 6 жыл бұрын
OH MY FRIGGIN GOD THANK YOU SO MUCH I HAVE A TEST SOON U SAVED ME! IN 4 MINS I LEARNED MORE THAN 45 MINS OF MY TEACHER MUMBLING UNDER HIS BREATH! THANKS, THANKS, THANKS, THANKSSSSS
@JasonHall
@JasonHall 9 жыл бұрын
in the first examples vector C starts at the start of A then ends at the end of B, while in the second example you start at end of B and go to start off A. I'm a bit confused... I think you reversed your C and -C in the second example, am I right?
@coolfunmario
@coolfunmario 9 жыл бұрын
+Jason Hall (Imheroldman) No, in the second example, look at the C arrow, by default, it's in the wrong direction ! So A + B not equals to C ! But A + B = - C ! The "-" sign behind the C reverse the direction of the C vector.
@andrewedwards2881
@andrewedwards2881 8 жыл бұрын
What drawing software is Sal using?
@Merthalophor
@Merthalophor 9 жыл бұрын
Hey! Quick question - is it also possible to visualize functions that are treated like vectors?
@alexsmit9852
@alexsmit9852 9 жыл бұрын
+Merthalophor Yes, you can give a name to a vector, but it will still be the same vector.
@Merthalophor
@Merthalophor 9 жыл бұрын
Alex Smit uuh... you sure you understood my question?
@alexsmit9852
@alexsmit9852 9 жыл бұрын
Merthalophor f(x) = , visualize f(x). What's there not to understand?
@SubbirHosain
@SubbirHosain 8 жыл бұрын
what is the direction of vector c ?
@asharibimran5645
@asharibimran5645 6 жыл бұрын
in the first example its positive and in second its negative
@musaimran7703
@musaimran7703 8 жыл бұрын
ummm. the last example.. but if we make vector c negative doesnt it go on the opposite side.. ie. 180degrees ... and a+b=-c .. no man.. cuz this means a+c=-a??
@asharibimran5645
@asharibimran5645 6 жыл бұрын
its right bcz -c is used as a resultant vector so it is possible to say that a+b=-c
@sainapattanayak8550
@sainapattanayak8550 8 жыл бұрын
Ty👍🏻
@ytchannel4u377
@ytchannel4u377 8 жыл бұрын
I think that there is a mistake in example 2 about the positive or negative (C), I believe that he reversed it, Am I Right?
@hamzaahmed9224
@hamzaahmed9224 7 жыл бұрын
Yeah,I think he did!
@maxaco5017
@maxaco5017 3 жыл бұрын
a + b doesnt equal to c, theyre non linear....
@jullyhasun1850
@jullyhasun1850 3 жыл бұрын
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@alexr4867
@alexr4867 8 жыл бұрын
im allie
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