Describing Motion QUIZ #1 REVIEW

Displacement is distance combined with

• direction
• speed
• velocity
• magnitude

Distance and direction of an object's change in position from a starting point

• displacement
• distance
• motion
• reference point

Scott drives a Jeep 12 km east, then 4 km north, then finally 3 km west. He traveled a total distance of:

• 5 km
• 10 km
• 13 km
• 19 km

Liza is swimming laps from one end of a 50 meter pool to the other. Going from one end to the other is considered one lap. If she swims four complete laps, which statement is TRUE?

• Her distance and displacement are both zero.
• Her distance is zero, but her displacement is 200 meters.
• Her distance is 200 meters, but her displacement is zero.
• Her distance and displacement are both 200 meters.

Stating that a man is traveling north at 30 m/s is an statement of his

• speed
• velocity
• accleration
• endurance

What is the SI unit for speed

• Km
• s
• m/s
• m/s²

Mufasa lives 100 meters from his friend's house. What is his average speed if he reaches his friends house in 50 seconds?

Distance= 100 m

time = 50 seconds

• 1 m/s

• 2 m/s

• 3 m/s

• 4 m/s

Ivan walks 10 meters west to the water fountain, then runs 2 meters east to his class to avoid a lockout. His displacement would be:

• 8 meters
• 8 meters, east
• 8 meters, west
• 12 meters

Speed =

• distance / time
• time / distance
• distance * time

When something has speed in a certain direction it is called ___________.

• motion
• position
• velocity
• speed