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Velocity. Where are you going and how fast will you get there. Velocity. Two factors of velocity Speed Direction. West. 50 MPH. Displacement. To take the place of or remove from the usual or proper place. Requires a point of reference. Displacement. Speed. Speed = Distance / Time
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Velocity Where are you going and how fast will you get there
Velocity • Two factors of velocity • Speed • Direction West 50 MPH
Displacement • To take the place of or remove from the usual or proper place. • Requires a point of reference Displacement
Speed • Speed = Distance / Time • Example: • Dog runs 5 meters in 10 seconds. What is his speed? • 5/10 = 0.5 m/s • This is an example of average speed. • Other examples would be athletes for track or football being timed over a set distance. 10 5
Time Distance Graph Student A Student B
Instantaneous and Average Speed • Instantaneous: The speed of an object at one instant of time • Average Speed: Found by dividing the total distance traveled by total time taken
Lab 10.1 • You move the man left and right by changing the velocity. By placing a (-) symbol in front of the velocity the man moves left. By leaving the (+) symbol in front of the velocity the man moves right • 3.2 seconds • 8.1 Seconds • 2.2 seconds
Chapter 10 Section 1 Answers • Speed and Direction • Shown in slide show • 25 – 10 = 15 meters North; 10 – 5 = 5 meters East • 5m/15s = .33 m/s left (West) • 650/300 = 2.17 h