Motion basics

A student walks 5 m east, 50 m north, and then 10 m west. What is the student’s distance traveled and displacement?

• 65 m, 50.25 m NW

• 2500 m, 50.25 m NE

• 65 m, 50.25 m NE

• 15 m, 40.25 m NW

A train travels 120 meters in 4 seconds. What is the speed of the train, in meters per second?

• 480 m/s

• 124 m/s

• 30 m/s

• 116 m/s

A car is travelling for 45 m east over a time of 9 seconds. What is the velocity of the car?

• 54 m/s E

• 36 m/s E

• 405 m/s E

• 5 m/s E

Jermaine runs exactly 2 laps around a 400 meter track. Finishing where he began the race. What is the displacement?

• 800 m N

• 400 m S

• 0 m

• 200 m E

A person walks 50 meters directly sourh, stops, and then travels 32 meters directly north. What is their displacement?

• 82 meters N

• 18 meters S

• 28 meters S

• 59 meters N

Based on the graph what is the runner's velocity at t= 10s?

• 0 m/s

• + 6 m/s

• -20 m/s

• -6 m/s

Tags

NGSS.MS-PS3-1

The magnitude of an object's change in position from a starting point

• displacement

• distance

• motion

• reference point

Speed is 

• distance x time
• distance / time
• time x distance
• time / distance

Tags

NGSS.MS-PS3-1

What is the name for the type of quantity that has only magnitude (size)?

• Scalar

• Vector

What is the name for the kind of quantity that has both magnitude (size) and direction?

• Scalar

• Vector