Chapter 4, Section 2 Graphs of Motion.

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Presentation transcript:

Chapter 4, Section 2 Graphs of Motion

Graphing Video https://www.youtube.com/watch?v=ssXPrG0PGDY

Graphs of Motion

Position vs. Time slope of a position vs. time graph = speed Slope = Rise (y values) Run (x values) Slope = y2 – y1 x2 – x1 = 150 m – 0 m 30 s – 0 s = 5 m/s

Calculating Slope Find the slope of this line: Slope = y2 – y1 x2 – x1

Calculating Slope For what time period(s) is the object: a) Coming back? b) Moving at a constant speed? c) Not moving?

Position vs. Time You can use position vs. time graphs to compare the motion of different objects. A steeper line on a position vs. time graph means a faster speed.

Which graph shows two runners moving at the same speed? B C D