U2 L1-4 Review Distance, Displac., Speed, Velocity

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Velocity is speed with __________________________.

• a unicycle helmet

• direction

• fight

A ping-pong ball rolls forward 6 meters, and bounces backward 3 meters. What was its displacement (distance from the origin)?

• 9 meters
• 6 meters
• 3 meters
• 0 meters

A runner runs 2 laps around a track with a circumference of 400 m. What is their total displacement?

• 800 m

• 0

• 400 m

• 400 m North

Find the distance Sara walks from A to B,  B to C then C to D?

• 11m
• 3m
• 5m

Joe rides from point A to B to C. What is the displacement?

• 7 m

• 12 m

• 5 m

• 2 m

35 m/s would describe

• distance

• displacement

• speed

• velocity

5 m/s west would describe

• distance

• displacement

• speed

• velocity

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?

• 0 meters
• 400 meters
• 800 meters
• 1600 meters

Both velocity and displacement are...

• scalars

• vectors