AP_Physics_B_-_Vectors

AP_Physics_B_-_Vectors - VectorsandScalars AP Physics B...

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    Vectors and Scalars AP Physics B
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Scalar A SCALAR is ANY quantity in physics that has MAGNITUDE , but NOT a direction associated with it. Magnitude – A numerical value with units. Scalar Example Magnitude Speed 20 m/s Distance 10 m Age 15 years Heat 1000 calories
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Vector A VECTOR is ANY quantity in physics that has BOTH MAGNITUDE and DIRECTION. Vector Magnitude Velocity 20 m/s, N Acceleration 10 m/s/s, E Force 5 N, West F a x v , , , Vectors are typically illustrated by drawing an ARROW above the symbol. The arrow is used to convey direction and magnitude.
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Applications of Vectors VECTOR ADDITION – If 2 similar vectors point in the SAME direction, add them. Example: A man walks 54.5 meters east, then another 30 meters east. Calculate his displacement relative to where he started? 54.5 m, E 30 m, E + 84.5 m, E Notice that the SIZE of the arrow conveys MAGNITUDE and the way it was drawn conveys DIRECTION.
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VECTOR SUBTRACTION - If 2 vectors are going in opposite directions, you SUBTRACT . Example: A man walks 54.5 meters east, then 30
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This note was uploaded on 11/18/2011 for the course PHYS 121 taught by Professor Burgeson during the Fall '11 term at BYU.

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AP_Physics_B_-_Vectors - VectorsandScalars AP Physics B...

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