Graphing Motion & Calculating Speed

Problem

A student walks 3 km in 20 minutes. What is the student’s average speed in km/h

• 12

• 9

• 7

• 6

Problem

A car travels 10 km in 15 minutes. What is the average speed of the car?

• 25 km/h

• 20 km/h

• 40 km/h

• 45 km/h

• 
• 
• 
• 

Tags

NGSS.MS-PS3-1

Problem

A dog runs 6 km in 30 minutes. What is the dog’s average speed in km/h?

• 25

• 180

• 12

• 5

• Carleton walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

• Carleton ran all the way from school to home going the same constant speed and never stopping.

• Carleton waited around after school for his friend, and then they ran home together.

• Carleton ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

Tags

NGSS.MS-PS3-1

• Jessica ran all the way from school to home going the same constant speed and never stopping.

• Jessica waited around after school for her friend, and then they ran home together.

• Jessica ran for a long time, then slowed down to walk the rest of her trip. Once she got home, she sat down on the couch.

• Jessica walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

Tags

NGSS.MS-PS3-1

Problem

Which of the following best describes the speed of an object?

• 14 m/s²

• 14 m/s south

• 14 m/s

• 14 m south

Tags

NGSS.MS-PS3-1

• 0.8 m/s

• 0.08 m/s

• 1.25 m/s

• 0.125 m/s

Tags

NGSS.MS-PS3-1

• Sam ran for a long time, then slowed down to walk the rest of his trip. Once he got home, he sat down on the couch.

• Sam waited around after school for his friend, and then they ran home together.

• Sam walked for a while, stopped to sit on a bench in the park, and then ran the rest of the way home.

• Sam ran all the way from school to home going the same constant speed and never stopping.

Tags

NGSS.MS-PS3-1

Which of the following can you use to calculate an object's speed?

• distance/time
• time/force
• change in velocity/time
• direction/time

Tags

NGSS.MS-PS3-1