HW1.2 Uniform Motion

A car travels at 30 miles per hour. How far will it travel in 5 hours?

• 6 miles

• 30 miles

• 120 miles

• 150 miles

How is displacement different from distance?

• displacement is a vector, it must have magnitude and direction

• displacement is a vector, it must have magnitude only

• displacement is a scalar, it must have magnitude and direction

• displacement is a scalar, it must have magnitude only

A man walks 10 meters east and 5 meters west. What was his displacement?

• 15 meters east

• 15 meters west

• 5 meters east

• 5 meters west

While jogging, student 1 runs the dashed course and student 2 runs the solid course. Both run from A to B in 25 minutes. Select all that are true.

• Student 1 ran a greater distance

• Student 1 ran a greater displacement

• Student 1 had a greater average velocity

• The students had the same average velocity

What distance did the object travel in 3 seconds?

• 10 m

• 20 m

• 30 m

• 50 m

Tags

NGSS.MS-PS3-1

What is the speed of this object?

• 10 m/s

• 20 m/s

• 50 m/s

• Can't tell, the speed is increasing

Tags

NGSS.MS-PS3-1

What is the objects instantaneous speed at t = 7 seconds?

• 25 m/s

• 10 m/s

• 5 m/s

• 0 m/s

Tags

NGSS.MS-PS3-1

 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800
• 400
• 0
• 200

David walks 3 km north, and then turns east and walks 4 km. What is the distance?

• 7 km
• 3 km
• 4 km
• 1 km

What would your DISTANCE traveled be if you walked 30 meters north then 30 meters south?

• 60 meters
• 30 meters
• 15 meters
• 0 meters