Understanding, representing and using vectors

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CCSS.HSN.VM.A.1

90km/hr

• Scalar

• Vector

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CCSS.HSN.VM.A.1

magnitude of 0, no given direction

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CCSS.HSN.VM.A.1

How do you find the direction of a vector given its components?

• Use the arctan function to find the angle between the vector and the x-axis.

• Use the tangent function to find the angle between the vector and the y-axis.

• Use the sine function to find the angle between the vector and the y-axis.

• Use the cosine function to find the angle between the vector and the x-axis.

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vector

Velocity is an example of a

• Vector

• Scalar

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CCSS.HSN.VM.A.1

Velocity is an example of ______

• Scalar Fileld

• Vector Field

• Scalar & Vector Field

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CCSS.HSN.VM.A.1

Determine the direction angle  $\left(\theta\right)$  for the following vector.  Round your answer to three places after the decimal.

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CCSS.HSN.VM.A.1

The Amount or Value

• Direction

• Magnitude

• Resultant

• Vector

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CCSS.HSN.VM.A.1

Find the magnitude of a vector with K(2,3) and N(-3,-3)

• <-5,-6>

• 6

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CCSS.HSN.VM.A.1

Given terminal point A ( 2, 4 ) and initial point B ( -8, 7 ), find the direction of the vector BA.

• 3/10

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CCSS.HSN.VM.A.1