Exploring Speed and Velocity in Physics

What is the main difference between speed and velocity?

• Speed includes direction, velocity does not.

• Velocity is measured in miles, speed in kilometers.

• Speed is always constant, velocity is not.

• Velocity includes direction, speed does not.

Which of the following is a correct unit for measuring speed?

• Joules per second

• Kilograms per hour

• Meters per second

• Liters per minute

Tags

NGSS.MS-PS3-1

If a cheetah runs 50 meters in 2 seconds, what is its speed?

• 25 meters per second

• 50 meters per second

• 100 meters per second

• 2 meters per second

Tags

NGSS.MS-PS3-1

What does an odometer in a car measure?

• Speed

• Distance traveled

• Fuel efficiency

• Engine temperature

How do you calculate average speed?

• Speedometer reading

• Instantaneous speed at the start and end

• Total time divided by total distance

• Total distance divided by total time

In the magic math triangle for speed, what does the top of the triangle represent?

• Distance

• Time

• Velocity

• Speed

If a car travels 80 kilometers in 4 hours, what is its average speed?

• 60 kilometers per hour

• 40 kilometers per hour

• 80 kilometers per hour

• 20 kilometers per hour

What is the term for speed at a particular moment?

• Instantaneous speed

• Average speed

• Constant speed

• Variable speed

Which of the following is a vector quantity?

• Velocity

• Time

• Distance

• Speed

If a car travels 40 kilometers north and then 40 kilometers south, what is its displacement?

• 20 kilometers

• 0 kilometers

• 40 kilometers

• 80 kilometers