Physical processes 4A

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Scalar

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Unit of magnitude/size OR direction

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Vector

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Unit of magnitude/size AND direction

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24 Terms

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Scalar

Unit of magnitude/size OR direction

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Vector

Unit of magnitude/size AND direction

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Unit vector

Vector with a magnitude of exactly 1

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Length of vector arrow

Magnitude of a vector

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Axis and angle of an arrow vector

Direction of a vector

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Pythagorean theorem

How to calculates the lengths of a right triangle

a2 + b2 = c2

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Velocity equation

V = s/t

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Rate equation

r = d/t

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Sin

opposite/hypotenuse

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Cos

adjacent/hypotenuse

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Tan

opposite/adjacent

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Instantaneous speed

Speed of an object at a particular moment in time

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Instantaneous velocity

Speed and direction of an object at a particular moment in time

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Instantanous velocity equation

(x2 - x1) / (t2 - t1)

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Instantanous velocity equation if acceleration is constant

V = V0 + at

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Average velocity

Total displacement over the total time interval

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Average velocity equation

V = ½ (Vo + Vf)

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Displacement

The change in position from one place to another

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Velocity

Change in position as time passes (m/s)

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Acceleration

Change in velocity as time passes (m/s2)

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Acceleration equation

a = (ΔV) / (Δ t)

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Area of a triangle

½ base x height

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Equation for distance

d = Δ t x ½(Vo + Vf)

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How to find distance traveled on a graph

Solve for the area under the slope (rectangles and triangles)