Geofisika (Vektor)

Geofisika (Vektor)

University

10 Qs

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Geofisika (Vektor)

Geofisika (Vektor)

Assessment

Quiz

Physics

University

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Created by

irfana faryuni

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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:

sqrt(17)
sqrt(20)
sqrt(13)
sqrt(10)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vektor A = 4i + j dan B = -i +2j. Hasil dari A . (A x B) adalah:

-2
2
0
-4

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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