# pp04 - PHYSICS A World View Tuesday 25 January READ Ch 2(pp...

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PHYSICS: A World View Tuesday, 25 January READ Ch 2 (pp. 24-28); PS 2: 5-8 PRAC Ch 2: Q 29, 37, 39; E 19; P 13 HW #4 Ch 2: Q 32, 34; E 16; P 20 Th 27 Jan

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The only major country not using the metric system is: 1 2 3 0% 0% 0% 1. USA 2. England 3. Australia 0% 0 of 200
Brief Review

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How do you move a pencil to  create the following graph? time p o s i t n
What is the corresponding  velocity versus time graph? time v e l o c i t y

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How do you move a pencil to  create the following graph? time p o s i t n
What is the corresponding  velocity versus time graph? time v e l o c i t y

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How do you move a pencil to  create the following graph? time p o s i t n
What is the corresponding  velocity versus time graph? time v e l o c i t y

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Slope = ? time p o s i t n
Slope = ? time p o s i t n

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0 5 10 15 20 25 30 0 1 2 3 4 5 Time (sec) What’s the velocity at t=0?
Graphing velocity Time (sec) Velocity (m/s) 1 2 3 4 5 6 2 4 0 0 6 8

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0 5 10 15 20 25 30 0 1 2 3 4 5 Time (sec) What’s the velocity at t=1?
Graphing velocity Time (sec) 1 2 3 4 5 6 2 4 0 0 6 8 Velocity (m/s)

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0 5 10 15 20 25 30 0 1 2 3 4 5 Time (sec) What’s the velocity at t=2?
Graphing velocity Time (sec) 1 2 3 4 5 6 2 4 0 0 6 8 Velocity (m/s)

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0 5 10 15 20 25 30 0 1 2 3 4 5 Time (sec) What’s the velocity at t=3?
Graphing velocity Time (sec) 1 2 3 4 5 6 2 4 0 0 6 8 Velocity (m/s)

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0 5 10 15 20 25 30 0 1 2 3 4 5 Time (sec) What’s the velocity at t=4?
Graphing velocity Time (sec) 1 2 3 4 5 6 2 4 0 0 6 8 Velocity (m/s)

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Graphing velocity Time (sec) 1 2 3 4 5 6 2 4 0 0 6 8 Velocity (m/s)
Interpret the slope Time (sec) 1 2 3 4 5 6 2 4 0 0 6 8 v t slope = rise run = v t (2 m/s)/s = Velocity (m/s)

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pp04 - PHYSICS A World View Tuesday 25 January READ Ch 2(pp...

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