Vectors 2d all operations

Questions 1 to 5

1. Find u+v

1 point

A

B

C

D

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2. Find 3u-v

1 point

A

B

C

D

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3. Find the magnitude of u.

1 point

Impossible

-1

5

7

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4. Select the correct answer

1 point

5

-5

-9

9

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5. Find the obtuse angle between u and v correct to the nearest degree.

1 point

125

65

115

55

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6. Select all the vectors that are unit vectors from the list below (tick all that apply).

1 point

A

B

C

D

E

F

7. Select the correct answer

1 point

A

B

C

D

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8. Select the correct answer.

1 point

A

B

C

D

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9. Select the correct answer

1 point

A

B

C

D

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10. Select the correct answer

1 point

(9,11)

(3,2)

(9,9)

(11,9)

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