Page 71 - MODUL VEKTOR STEM
P. 71
STEM
Science, Technology, Engineering and Mathematics
KUNCI JAWABAN
Latihan kegiatan 1
Penyelesaian soal No. 1
Diketahui;
⃗⃗⃗⃗
14 2
⃗⃗⃗⃗⃗⃗
10 2
2
⃗⃗
Ditanya: [ ] 1
Jawab;
⃗⃗⃗⃗
⃗⃗⃗⃗⃗⃗
⃗⃗
⃗⃗⃗⃗⃗⃗⃗
⃗⃗⃗⃗⃗⃗⃗
⃗⃗⃗⃗⃗⃗
[ ] + 4 + − 6
2
2
⃗⃗⃗⃗
⃗⃗⃗⃗
⃗⃗⃗⃗⃗⃗
+ 60° − 60° 6
2
⃗⃗
[ ] 10 + 14 ( √3) − 14 ( ) 6 3 + 7√3 7
2 2
Jumlah total skor: 34 poin
Penyelesaian soal No.2
Diketahui;
⃗⃗⃗⃗
70 2
210 ° 2
64
