
Geofisika (Vektor)
Authored by irfana faryuni
Physics
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vektor A dan B diberikan sebagai A=3i +4j, B=−2i+j. Hasil penjumlahan A+B adalah:
i + 5j
5i + 3j
i + 3j
2i + 5j
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vektor A = 5i - 3j dan B = 2i + j. Hasil pengurangan A - B adalah:
3i - 4j
7i - 4j
3i + 4j
3i - 2j
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vektor A = i + 2j - k dan B = 2i - j +3k. Hasil perkalian dot A . B adalah:
1
-1
6
-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vektor A = 2i - j dan B = 3i + 4j. Hasil perkalian cross A x B adalah:
4k - 7k
-7k
11k
-4k
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika A adalah vektor i + 3j dan B adalah vektor -2i +j, maka panjang (magnitude) dari vektor A + B adalah:
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vektor A = 4i + j dan B = -i +2j. Hasil dari A . (A x B) adalah:
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika A = 3i + 2j + k dan B = i - j + 4k, hasil dari A x B adalah:
-9i - 11j + k
9i + 11k - k
-9i + 11j - 5k
9i - 11j - 5k
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