Study Guide for Force and Motion

A snail travels 10 m in 3000 seconds. What is the snail's average speed?

• 60000 m/s

• 0.02 m/s

• 600 m/s

• 0.003 m/s

A blimp travels at 3 m/s for 1000 s. What distance does the blimp cover in that time?

• 500 m/s

• 3000 m

• 4500 m/s

• 500 m

When your teacher times your mile run at 8.2 minutes, that means your speed was 0.12 mi/min. Was this your average speed or your instantaneous speed?

• Average speed

• Instantaneous speed

Does a speedometer measure the average speed or the instantaneous speed?

• Average speed

• Instantaneous speed

A swordfish travels for two hours. The first hour he covers 110 kilometers, and the second hour he covers 110 kilometer. What is the average speed of the swordfish?

• 55 km/h

• 84 km/h

• 110 km/h

• 194 km/h

A dog walks outside to go to the bathroom every day. If she walks at a speed of 3 meters per second and walks 150 meters before she uses the bathroom, how long does it take her?

• 50 seconds

• 2 minutes

• 188 seconds

• 90 seconds

Carlos and Gina are riding on their horses to go into town. They travel 140 meters in 14 seconds going west. What is their velocity?

• 490 m/s west

• 10 m/s west

• 490 m/s

• 10 m/s

Tags

NGSS.MS-PS3-1

A car travels 200 km/h west for 2 hours. The car then travels 150 km/h east one hour. What is the car's position relative to its starting position?

• 50 km west

• 150 km west

• 250 km west

• 50 km east

A nitro-methane powered top fuel dragster launches from rest to race against an opponent. What did the car accelerate?

• increased speed

• decreased speed

• changed direction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

A driver hits the brakes to slow down at an intersection. As the car's speed is decreasing it has

• positive acceleration

• negative acceleration

• no acceleration

• more information is needed