Page 72 - MODUL VEKTOR STEM
P. 72
STEM
Science, Technology, Engineering and Mathematics
Ditanya;
⃗⃗⃗⃗⃗
1
Jawab;
4
1
⃗⃗⃗⃗ ⃗⃗⃗⃗
6 70 210 ° 7 70 (− ) 6 −35 8
2
⃗⃗⃗⃗ ⃗⃗⃗⃗
6 70 210 ° 7 70 (− √3) 6
2
−35√3 8
Maka;
⃗⃗⃗⃗⃗ ⃗⃗⃗⃗ ⃗⃗⃗⃗
+ 6 −35 − 35√3 8
Jumlah total skor: 76 poin
Latihan kegiatan 2
Penyelesaian soal No.1
Diketahui;
⃗⃗⃗⃗⃗⃗
15 2
⃗⃗⃗⃗⃗⃗
9 2
2
60° 2
Ditanya;
65
