Speed and Velocity Concepts

How do you calculate speed when given distance and time?

• Speed = Distance x Time

• Speed = Distance / Time

• Speed = Distance + Time

• Speed = Time / Distance

Explain the difference between speed and velocity.

• Speed is the rate of change of position.

• Speed is the magnitude of velocity.

• Velocity is a scalar quantity.

• Velocity is always positive.

How would you graph speed and velocity over time?

• Plot velocity vs. time for speed and speed vs. time for velocity.

• Plot speed vs. time for speed and velocity vs. time for velocity.

• Use a bar graph for speed and a line graph for velocity.

• Graph acceleration instead of speed and velocity.

What is meant by the vector nature of velocity?

• Velocity is a vector quantity because it is measured in kilometers per hour

• Velocity is a scalar quantity with only magnitude

• Velocity is a vector quantity as it includes both magnitude (speed) and direction.

• The vector nature of velocity refers to its color

Provide examples of speed and velocity in everyday life.

• Examples of speed and velocity in everyday life include a car traveling at 60 miles per hour (speed) and a car moving north at 60 miles per hour (velocity).

• A train accelerating from a stop

• A person walking at a constant speed

• A bicycle moving in a circular path

If a car travels 100 km in 2 hours, what is its speed?

• 25 km/h

• 50 km/h

• 150 km/h

• 75 km/h

Why is velocity considered a vector quantity?

• Velocity is a scalar quantity because it only has magnitude.

• Velocity is a tensor quantity due to its complex nature.

• Velocity has both magnitude (speed) and direction, making it a vector quantity.

• Velocity is a scalar quantity because it lacks direction.

Compare and contrast speed and velocity in terms of direction.

• Speed is directionless, while velocity includes direction.

• Velocity is a scalar quantity, while speed is a vector quantity.

• Speed is always faster than velocity due to the inclusion of direction.

• Speed and velocity have the same meaning in terms of direction.

How can you determine the average speed of an object?

• Average Speed = Total Distance - Total Time

• Average Speed = Total Distance x Total Time

• Average Speed = Total Time / Total Distance

• Average Speed = Total Distance / Total Time

Give an example of a situation where speed and velocity are not the same.

• Object moving in a random path at a constant speed

• Object moving in a circular path at a constant speed

• Object moving in a straight line at a constant speed

• Object moving in a zigzag pattern at a constant speed