Displacement, Speed, and Velocity Quiz

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 vehicle travels 2345 m in 315 s toward the evening sun. What is its speed?

• 7.44 m/s

• 0.13 m/s

• 738,675 m/s

• 7.44m

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

A girl is pedaling her bicycle at a speed of 0.10 km/min.  How far will she travel in two hours? (pay attention to units) 

• 20 km 
• .2 km
• 3 km 
• 12 km 

The students are arguing over the differences between speed and velocity. One student says, “Speed is a vector because it describes how fast an object traveling. Velocity is a scalar because it tells how fast and what direction an object is traveling.” Which of the following statements is correct?

• The students' understanding of all four terms (speed, velocity, scalar, and vector) is correct.

• The students' understanding of all four terms (speed, velocity, scalar, and vector) is incorrect.

• The students' understanding of speed and velocity is incorrect but their

  understanding of scalar and vector is correct.

• The students’ understanding of speed and velocity is correct but their understanding of scalar and vector is incorrect.

The vector that results from adding a South and East vector points

• SW

• NW

• SE

• EW

Vector or Scalar?

A deer running 15 meters per second due west.

• Scalar
• Vector

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

• 11m
• 3m
• 5m