Speed and Velocity

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Speed and Velocity
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Objectives

• Define distance, time, speed, velocity, and rate
• Calculate speed
• Distinguish between speed and velocity
• Explain constant speed and average speed
• Read a distance time graph

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Distance

• the separation of two positions

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Distance

• Commonly measured in
• meters
• kilometers

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Time

• the period between two events

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Time

• Commonly measured in
• Seconds
• Minutes
• Hours

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Rates

• ratios between two different quantities

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Speed

• the measure of how fast an object moves as it
  changes its position

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Speed

• Commonly measured in
• Meters per minute (m/m)
• Kilometers per hour (km/h)

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• Speed Distance Time

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Constant Speed

• speed that does not change

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Constant Speed
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Average Speed

• the total distance traveled divided by the total
  time of travel

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Average Speed
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Velocity

• describes both the speed and its direction