Physics 5059: Motion and Graphs
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Questions and Answers

What is the difference between speed and velocity?

  • Velocity is measured in meters per second, speed is measured in kilometers per hour
  • Speed includes direction, velocity does not
  • Velocity includes direction, speed does not
  • Speed is a scalar quantity, velocity is a vector quantity (correct)

    • What does a displacement-time graph represent?

  • Change in position of an object (correct)
  • Distance traveled by an object
  • Acceleration of an object
  • Change in velocity of an object

    • How can you determine if a body is at rest from a velocity-time graph?

  • By a horizontal line at zero velocity (correct)
  • By a straight line with positive slope
  • By a vertical line at constant velocity
  • By a curve with negative slope

    • When is a body said to have uniform acceleration?

    <p>When its velocity changes by the same amount in equal time intervals</p> Signup and view all the answers

    Why is it important to calculate the area under a velocity-time graph?

    <p>To calculate the displacement traveled by the object</p> Signup and view all the answers

    What happens to the acceleration of free fall near Earth's surface?

    <p>It remains constant at approximately 10 m/s^2</p> Signup and view all the answers

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