Vectors (1) Flashcards by Nick Duley | Brainscape

Q

What is a+b equivalent to?

A

b+a

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Q

b+a

A

What is a+b equivalent to?

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Q

What is vector -a?

A

Opposite direction to vector a

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Q

Opposite direction to vector a

A

What is vector -a?

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Q

What is equivalent to adding a negative vector?

A

Subtracting a vector

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Q

Subtracting a vector

A

What is equivalent to adding a negative vector?

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Q

What is vector a multiplied by 3?

A

3a

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Q

3a

A

What is vector a multiplied by 3?

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Q

How to show that two vectors are parallel?

A

Show they’re scalar multiples of each other

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Q

Show they’re scalar multiples of each other

A

How to show that two vectors are parallel?

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Q

What is a position vector?

A

Describes where the point lies

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Q

Describes where the point lies

A

What is a position vector?

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Q

Describes where the point lies

A

What is a position vector?

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Q

What does i represent?

A

Direction of the x-axis

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Q

Direction of the x-axis

A

What does i represent?

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Q

What does j represent?

A

The direction of the y-axis

Q

The direction of the y-axis

A

What does j represent?