Perhatikan gambar berikut ! Jika BC=a, CD=b, DE=c, maka tentukan : d.  AO→

Pertanyaan

Perhatikan gambar berikut !

Jika begin mathsize 14px style stack B C with rightwards arrow on top equals a with rightwards arrow on top comma space stack C D with rightwards arrow on top equals b with rightwards arrow on top comma space stack D E with rightwards arrow on top equals c with rightwards arrow on top end style, maka tentukan :

d.  stack size 14px A size 14px O with size 14px rightwards arrow on top 

H. Hermawan

Master Teacher

Mahasiswa/Alumni Universitas Lampung

Jawaban terverifikasi

Jawaban

 begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell stack A O with rightwards arrow on top end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell a with rightwards arrow on top end cell end table end style.

Pembahasan

Berdasarkan penjumlahan vektor, maka didapat

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell stack A O with rightwards arrow on top end cell equals cell stack A B with rightwards arrow on top plus stack B C with rightwards arrow on top plus stack C O with rightwards arrow on top end cell row blank equals cell open parentheses negative c with rightwards arrow on top close parentheses plus a with rightwards arrow on top plus c with rightwards arrow on top end cell row blank equals cell a with rightwards arrow on top end cell end table end style 

Jadi, begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell stack A O with rightwards arrow on top end cell end table table attributes columnalign right center left columnspacing 0px end attributes row blank equals blank end table table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell a with rightwards arrow on top end cell end table end style.

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Pertanyaan serupa

Perhatikan gambar berikut. Diketahui OA=a dan OB=b. Lukislah resultan dari: b. 4a−3b.

166

1.0

Jawaban terverifikasi

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