Exploring Speed and Velocity Concepts - 10F

A position describes an object's location compared to ___

• its motion

• its speed

• a reference point

• a vector

Maria walked 2 km in half an hour. What was her average speed during her walk?

• 
  1 km/hr

• 
  4 km/hr

• 2 km/hr

• 6 km/hr

The displacement of an object during any time interval is always ___the distance it travels during that same time interval.

• less than

• equal

• greater than

• less than or equal to

Which of the following best describes velocity?

• The rate at which distance is covered.

• The total distance traveled divided by the total time.

• The rate of change in displacement over time.

• 
  The speed of an object at a specific moment in time.

If an object completes one full lap on a circular track, what is its displacement?

• 
  Equal to the diameter of the track.

• 
  Equal to the radius of the track.

• Zero

• Equal to the circumference of the track.

What does a positive velocity indicate?

• 
  The object is moving to the right or up.

• 
  The object is speeding up.

• The object is moving to the left or down.

• 
  

  The object is slowing down.

What is instantaneous speed?

• 
  The rate of change in displacement over time.

• 
  The total distance traveled divided by the total time.

• 
  

  The average speed over a period of time.

• 
  The speed of an object at a specific moment in time.

What does the bar above the 'V' represent in the average speed formula?

• 
  Instantaneous speed

• 
  Average speed

• 
  

  Initial speed

• 
  

  Final speed

What is the main difference between speed and velocity?

• 
  Speed is a scalar quantity, while velocity is a vector quantity.

• Speed and velocity are both scalar quantities.

• Speed and velocity are both vector quantities.

• 
  Speed is a vector quantity, while velocity is a scalar quantity.

Maria and Keisha run with the same constant speed but in opposite directions. The girls have ___

• the same position

• different speeds

• different accelerations

• different velocities