Calculating Speed: Distance and Time Relationship
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Questions and Answers

What is the formula to calculate speed?

  • Time + Distance
  • Time / Distance
  • Distance / Time (correct)
  • Distance x Time

    • If Clara took 200 seconds to run 800 meters instead of 260 seconds, what impact would it have on her speed?

  • Her speed would decrease
  • Her speed would become zero
  • Her speed would remain the same
  • Her speed would increase (correct)

    • How can you tell from a speed vs. time graph if an object is accelerating?

  • The slope of the line is zero
  • The slope of the line is positive (correct)
  • The graph is a straight line
  • The slope of the line is negative

    • What does a negative acceleration represent on a speed vs. time graph?

    <p>Slowing down</p> Signup and view all the answers

    If Clara's speed vs. time graph is a straight, horizontal line, what can be said about her motion?

    <p>She is moving at a constant speed</p> Signup and view all the answers

    What does a positive slope on a speed vs. time graph indicate?

    <p>The object is accelerating.</p> Signup and view all the answers

    How is acceleration represented on a speed vs. time graph?

    <p>Positive slope</p> Signup and view all the answers

    If a line on a speed vs. time graph is steep, what does it indicate?

    <p>Larger acceleration</p> Signup and view all the answers

    What does a negative slope on a speed vs. time graph signify?

    <p>Deceleration</p> Signup and view all the answers

    How can you tell if an object has a larger acceleration from a speed vs. time graph?

    <p>The line is steeper.</p> Signup and view all the answers

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