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Distance-Time

QuestionAnswer
What is speed? How fast an object moves.
What is distance? The total path an object travels.
What is position? An object's location relative to a reference point.
What is a reference point? A place used to describe an object's position.
What should you check FIRST when looking at a motion graph? Read the axes to determine the graph type.
What does slope represent on a distance-time graph? Speed.
What does a steeper distance-time line represent? A faster speed.
What does a horizontal line on a distance-time graph show? The object is stopped.
How can you tell from a table that an object has constant speed? It travels equal distances during equal time intervals.
How can you tell from a table that an object is speeding up? It travels greater distances during equal time intervals.
What does an upward-sloping position-time graph show? The object is moving in the positive direction.
What does a downward-sloping position-time graph show? The object is moving in the negative direction.
What does a horizontal position-time line show? The object is stopped.
Does crossing position 0 automatically mean an object changed direction? No. It may simply pass the reference point.
How can a position-time graph show a direction change? Its slope changes from positive to negative or negative to positive.
What does a curved position-time graph indicate? The object's velocity is changing.
A position-time graph rises, becomes horizontal, then falls. Describe the motion. The object moves in one direction, stops, then moves in the opposite direction.
How do you calculate speed? Divide distance traveled by time.
A toy car travels 32 m in 8 s. What is its speed? 4 m/s.
Created by: user-1962177
 

 



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