Yahoo Answers: Answers and Comments for Vectors help? [Mathematics]
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From alan
enUS
Wed, 24 Apr 2019 18:51:50 +0000
3
Yahoo Answers: Answers and Comments for Vectors help? [Mathematics]
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https://answers.yahoo.com/question/index?qid=20190424185149AAcPgAc
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From billrussell42: add the x and y components
x: 2+5+3 = 10
y: 3–...
https://answers.yahoo.com/question/index?qid=20190424185149AAcPgAc
https://answers.yahoo.com/question/index?qid=20190424185149AAcPgAc
Wed, 24 Apr 2019 19:11:00 +0000
add the x and y components
x: 2+5+3 = 10
y: 3–1+a = 2+a
direction has x component of 2 and y of 1
have to be proportional if the direction is the same
2/1 = 10/(2+a)
4+2a = 10
a = 3
so the resultant is
10i + 5j
and magnitude is √(10²+5²) = √(125) = 11.18