Unit 3: Week 2

The difference between the initial, or starting, position and the final position

• Displacement

• Distance

• Speed

• Vector

The entire length of an object's path

• Displacement

• Distance

• Speed

• Vector

A measure of the distance an object travels in a given amount of time

• Displacement

• Speed

• Vector

• Velocity

Tags

NGSS.MS-PS3-1

A quantity that has both magnitude and diretion

• Displacement

• Speed

• Vector

• Velocity

The speed and the direction of a moving object

• Displacement

• Speed

• Vector

• Velocity

Tags

NGSS.MS-PS3-1

Observe the inclined plane and ball in the above image. If the ball rolls down the inclined plane in the direction of the arrow in 2.42 seconds, what is the average speed of the ball during the roll?

• 4.96 m/s

• 2.07 m/s

• 1.65 m/s

• 1.24 m/s

Tags

NGSS.MS-PS3-1

A student who was training for a cross country race jogged for 2.0 hours and covered a distance of 14.0 kilometers. What was the average speed of the student?

• 28.0 km/hr

• 7.0 km/hr

• 12.0 km/hr

• 0.14 km/hr

During an investigation, students placed a toy car at the top of a ramp and recorded the distance and time at different intervals. The graph below is a record of their data. What is the average speed of the toy car in the investigation?

• 0.25 m/s

• 4.0 m/s

• 5.0 m/s

• 20 m/s

Tags

NGSS.MS-PS3-1

The graph shows the distance and time a cyclist traveled on a 4.0 hour ride. Which of the following statements is true based on the data graphed above?

• The average speed of the cyclist in the first 2 hours was 15.0 km/hr.

• The cyclist traveled at a constant speed throughout the ride.

• The fastest speed of the cyclist was in the last hour of the ride.

• Between the second and third hours of the ride, the cyclist traveled 30 km.

Tags

NGSS.MS-PS3-1

A student walks 2 kilometers in 30 minutes. What is the student’s average speed in kilometers per hour?