Average Speed

Which object travels at the greater average speed?

• Object 1, because it travels the greater distance per unit of time

• Object 1, because it travels the longer amount of time

• Object 1, because it travels the shorter amount of time

• Object 2, because it travels the shorter distance per unit of time

Tags

NGSS.MS-PS3-1

Two students record the distance they each traveled in 60 seconds in the data table shown. If the students continue at the same speed, which statement describes the total distance traveled after 90 seconds?

• Student 1 traveled 40 m, and student 2 traveled 20 m.

• Student 1 traveled 50 m, and student 2 traveled 30 m.

• Student 1 traveled 60 m, and student 2 traveled 30 m.

• Student 1 traveled 70 m, and student 2 traveled 25 m.

A horse trainer records the distance a horse travels during three different trials. What is the horse's average speed in kilometers per minute?

Tags

NGSS.MS-PS3-1

The distance a toy car travels over time is shown in the graph. Which table best shows the average speed of the toy car at different time intervals?

• Table A

• Table B

• Table C

• Table D

Tags

NGSS.MS-PS3-1

A block is pulled 0.90 m to the right in 2.5 s. What is the block's average speed to the nearest hundredth of a m/s? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

A student kicks a soccer ball three times. Another student records the distance, the amount of time the ball travels, and the average speed in the table shown below. How many seconds did it take for the ball to travel 30 m during Kick 3?

• True

• False

Tags

NGSS.MS-PS3-1

The graph below shows the motion of a ball rolling on a straight track.

• 0.2 m/s

• 0.5 m/s

• 5.0 m/s

• 10.0 m/s

Tags

NGSS.MS-PS3-1

A bus travels 20 km in 30 minutes. What is the average speed of the bus?

• 20 km/h

• 30 km/h

• 40 km/h

• 50 km/h

Some students were investigating the speed of a toy car they built. They performed two trials and recorded their data in the table below. What was the average speed of the toy car during the two trials to the nearest tenth of a m/s?

Tags

NGSS.MS-PS3-1

A student walks 2 km in 30 minutes. What is the student's average speed in km/h?