Understanding Speed and Velocity

Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.

• 198 m/sec

• 170 m/sec

• 12 m/sec

• 18 m/sec

How is velocity different from speed?

• Velocity is when an object goes in reverse.

• Velocity is the direction an object moves in, and it has nothing to do with speed.

• Velocity is speed and direction together.

• Velocity is not at all different from speed

If a car travels 150 kilometers in 3 hours, what is its average speed?

• 45 km/h

• 50 km/h

• 55 km/h

• 60 km/h

Which of the following is a unit of speed?

• m/s

• m/s²

• kg/m

• N

Tags

NGSS.MS-PS3-1

A cyclist travels 30 km north in 2 hours. What is the cyclist's velocity?

• 15 km/h

• 15 km/h north

• 30 km/h

• 30 km/h north

Tags

NGSS.MS-PS3-1

If a runner completes a 400-meter lap in 50 seconds, what is their average speed?

• 6 m/s

• 7 m/s

• 8 m/s

• 9 m/s

Tags

NGSS.MS-PS3-1

A car moves 100 meters east in 5 seconds. What is its velocity?

• 20 m/s

• 20 m/s east

• 25 m/s

• 25 m/s east

Tags

NGSS.MS-PS3-1

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

Pick all of the following that are velocities.

• 4 km/s west

• 5 cm/h south

• 2 mph

• 8 cm/year

• 5 m/s up

mph is a unit for ... 

• Speed
• Distance
• Time
• Direction