Term
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Definition
| Distance traveled divided by time. |
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Term
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Definition
| Displacement divided by time; found from the slope between two points on a position time graph. |
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Term
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Definition
| Change in velocity divided by time; found from the slope between two points on a velocity time graph. |
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Term
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Definition
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Term
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Definition
| Where you are relative to the origin. |
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Term
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Definition
| The velocity at one instant in time; found from the slope of the tangent to the position time graph. |
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Term
| What is the average velocity of a runner who finishes a lap around a 1/4 mile track in 3 minutes? |
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Definition
| Zero since the displacement is zero. |
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Term
| What is the average speed of a runner who finishes a lap around a 1/4 mile track in 3 minutes? |
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Definition
| Average speed is distance divided by time. 1/4 mile divided by 3 minutes = 1/12 of a mile per minute or 5 mph. |
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Term
| If you drive 30 miles at 60 miles per hour and then slow down to 20 miles per hour for the next 10 miles, what was your average speed? |
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Definition
| Average speed is distance divided by time. You have driven 40 miles in 1 hour, so your average speed is 40 mph. |
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