chaseashley24 chaseashley24

27-08-2018
Mathematics

contestada

Two vectors have magnitudes of 1.8 m and 2.4 m. How are these vectors arranged, so their sum is 0.6 m?
(2-5)

Respuesta :

Shaswat221005 Shaswat221005

27-08-2018

|A|= 1.8
|B|=2.4
According to parallelogram law of vector addition
|A+B|= √1.8^2+2.4^2+2*1.8*2.4Cos¶
0.36= 3.24+5.76+8.64Cos¶
-8.64/8.64= cos¶
Cos¶= -1
¶= 180°

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