Podcast
Questions and Answers
What does a horizontal line on a position vs. time graph represent?
What does a horizontal line on a position vs. time graph represent?
- An object with constant velocity
- An object changing direction
- An object moving forward
- An object at rest (correct)
How is velocity calculated from a position vs. time graph?
How is velocity calculated from a position vs. time graph?
- Multiplying the slope by acceleration
- Dividing the change in distance by the change in time at two points on the graph (correct)
- Adding the position values at different time points
- Taking the derivative of position with respect to time
When the slope of a position vs. time graph is negative, what does it indicate about the object's motion?
When the slope of a position vs. time graph is negative, what does it indicate about the object's motion?
- The object is accelerating
- The object is moving backward (correct)
- The object is stationary
- The object is at its highest point
How would you describe a position vs. time graph where an object changes direction?
How would you describe a position vs. time graph where an object changes direction?
In a position vs. time graph, how is the slope calculated for a linear line?
In a position vs. time graph, how is the slope calculated for a linear line?
What does a positive slope on a position vs. time graph indicate about an object's motion?
What does a positive slope on a position vs. time graph indicate about an object's motion?
How do you calculate velocity from a position vs. time graph when the direction changes from positive to negative?
How do you calculate velocity from a position vs. time graph when the direction changes from positive to negative?
What does a horizontal line on a position vs. time graph represent?
What does a horizontal line on a position vs. time graph represent?
How is velocity calculated from a position vs. time graph?
How is velocity calculated from a position vs. time graph?
What does a positive slope on a position vs. time graph indicate about an object's motion?
What does a positive slope on a position vs. time graph indicate about an object's motion?
When an object's velocity is decreasing, what does it indicate about the object's motion?
When an object's velocity is decreasing, what does it indicate about the object's motion?
What can be inferred when the slope of a position vs. time graph changes from positive to negative?
What can be inferred when the slope of a position vs. time graph changes from positive to negative?
How can you determine an object's velocity from a position vs. time graph?
How can you determine an object's velocity from a position vs. time graph?
What does a negative slope on a position vs. time graph imply about an object's motion?
What does a negative slope on a position vs. time graph imply about an object's motion?
When an object's direction changes from upward to downward on a position vs. time graph, what else changes?
When an object's direction changes from upward to downward on a position vs. time graph, what else changes?
What happens to an object's motion when it has a constant slope on a position vs. time graph?
What happens to an object's motion when it has a constant slope on a position vs. time graph?
If an object moves along a straight line in reverse, how would its position vs. time graph appear?
If an object moves along a straight line in reverse, how would its position vs. time graph appear?
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