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The rate at which something is moving. The distance moved in one unit of time, calculated using the formula speed equals distance over time. |
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The rate at which velocity changes. Acceleration can describe the change in speed or the change in direction of a moving object. |
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The base unit of measuring distance using the metric (or SI) system of measurement. Abbreviated by the lowercase letter m. |
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Decreasing speed (slowing down) also known as negative acceleration. |
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A line graph using time as the manipulated variable (on the x axis) and distance as the responding variable (on the y axis) - may also be called a distance-vs.-time graph. |
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A line graph using time as the manipulated variable (on the x axis) and speed as the responding variable (on the y axis) - may also be called a speed - vs. - time graph. |
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Unchanging, staying the same for a given period of time. A constant speed is shown as a straight line on a speed graph and a horizontal line on an acceleration graph. |
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The change in distance between an object and a reference point. |
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The location used to determine if an object is moving. This is the location that you are looking from to determine if there is a change in distance. |
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A description of an objects speed and direction. |
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