Displacement and Velocity

Jerry walked from home to school, then from the school to the park. What is his total distance traveled?

• 2 km

• 5 km

• 8 km

• 10 km

Amy runs 2 miles south, then turns around and runs 3 miles north. What is displacement?

• 5 miles

• 1 miles

• 2 miles

• 3 miles

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

• 800
• 400
• 0
• 200

You arrive in my class 35 seconds after leaving english which is 80 meters away. How fast did you travel?

• 45 m/s

• 2.3 m/s

• 115 m/s

• 35 m/s

Define motion.

• Rate of motion measured in distance over a period of time.

• A change in velocity over a certain amount of time. Can be positive or negative.

• A change in position relative to a frame of reference.

• Quantities that are fully described by both a magnitude and a direction.

Define speed.

• A change in position relative to a frame of reference.

• A change in velocity over a certain amount of time. Can be positive or negative.

• Rate of motion measure in total distance over total time in a specific direction.

• Rate of motion measured in distance over a period of time.

 Ray runs 30 feet north, 30 feet west, and then 30 feet south. What is the distance?

• 90 feet
• 30 feet
• 60 feet
• 0 feet

A person walks 10 miles east, then 5 miles west, and then 10 miles east.  What is the total distance walked?

• 25 miles
• 20 miles
• 15 miles
• 10 miles

A person walks 10 miles east, then 5 miles west, and then 10 miles east.  What is the person's displacement?

• 25 miles east
• 20 miles west
• 15 miles east
• 10 miles west

What is the length and direction of a straight line between starting and ending points?

• displacement
• distance
• frame of reference
• vector