Which comparison of the motorcycle's motion is correct?

At positions 1 and 4, the speeds are the same, but the velocities are different.

At positions 1 and 3, the velocities are the same, but the accelerations are different.

At positions 2 and 3, the accelerations are the same, but the velocities are different.

At positions 2 and 4, the velocities are the same, but the speeds are different.

A student investigates the motion of a toy vehicle. The student graphs 40 seconds of data from the investigation. Which statement best describes the motion of the toy vehicle during the first 30 seconds of the investigation?

The vehicle was traveling at a constant speed.

The vehicle was accelerating at a constant rate.

The speed of the vehicle was increasing.

The acceleration of the vehicle was increasing.

A meteor moving 468 km per minute traveling in a south-to-north direction passed near Earth in 2013. Because the meteor was only 45 m wide and was 27,700 km above Earth's surface, it was not visible without the aid of a telescope. Which statement describes the meteor’s motion?

Its speed was 468 km/min northward.

Its velocity was 7.8 km/s northward.

Its acceleration was 468 km/s².

Its acceleration was 7.8 km/s².

A student graphed the position of a cart during a 7-second time interval. Which statement best describes the cart?

The cart was stationary except for a short burst of acceleration of 0.5 m/s².

The cart was stationary with a velocity of 0 m/s for the entire 7 seconds.

The cart moved at a constant velocity of 0.5 m/s for the entire 7 seconds.

The cart accelerated at a constant rate of approximately 0.8 m/s².

What is the difference between the velocity and the speed of an object?

Velocity has a direction associated with it, while speed has no specific direction.

Velocity is the change in distance over time, while speed is the change in velocity over time.

Velocity has no direction associated with it, while speed has a specific direction.

Velocity is the change in speed over time, while speed is the change in distance over time.

The three vehicles shown below are all traveling at a speed of 15 m/s, but only the pickup truck has a changing velocity. The pickup truck has a changing velocity because the pickup truck —

is traveling on a curve in the road

can accelerate faster than the other two vehicles

is traveling in the opposite direction from the other two vehicles

needs a large amount of force to move

Average Speed

Quiz

•

Science

•

8th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS3-1, MS-PS3-5, MS-PS2-2

Standards-aligned

KRISTINA PEVETO

Used 32+ times

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

3.

OPEN ENDED QUESTION

3 mins • 1 pt

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

Evaluate responses using AI:

OFF

Tags

NGSS.MS-PS3-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

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.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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Average Speed

18 questions

Which object travels at the greater average speed?

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?

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

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?

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?

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

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

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?

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

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