Unit Test — Unit test Answers

Micah knows that a car had a change in velocity of 15 m/s. What does Micah need to determine acceleration.

Holden is trying to determine the velocity of his race car. He went 20 meters east, turned around, and went 40 meters west. His car was 20 meters from the starting line. This took 5 seconds.What is the car’s average velocity?

Hunter’s velocity was 4.5 m/s. At the end of his race, his velocity was the same. Which best describes his movement?

A toy car is placed at 0 on a number line.It moves 9 cm to the left, then 4 cm to the right, and then 6 cm to the left. What is the total distance the toy car traveled?

What is most often given a value of zero to describe an object’s position on a straight line?

The graph shows two runners participating in a race.

How is speed calculated?

Which does a reference point provide?

Olivia places her pet frog on a line to observe the frog’s motion. The line is divided into sections that measure 1 centimeter each. The frog begins at 0, moves 18 centimeters forward, moves 6 centimeters backward, and then 12 centimeters backward.What is the frog’s displacement?

A graph labeled velocity versus time with horizontal axis time (seconds) and vertical axis velocity (meters per second). A blue line runs straight across at 2 units on the vertical axis for all horizontal axis values.

Which describes what a velocity/time graph would look like with no acceleration?

Nancy and Hiyang are training for a race. They entered some of their training notes in a chart.Which information should be added to the chart in order find out who ran a greater distance?

Jamal is 8 miles away from his house. He rides his bike home toward home at a speed of 12 mph..How far away from home is he after a half hour?

Ariana is accelerating her car at a rate of 4.6 m/s2 for 10 seconds. Her starting velocity was 0 m/s.What was her final velocity?

Veronica’s velocity was measured as 4.3 m/s. She displaced 20 meters in 4.7 seconds. Which piece of information is missing for the correct calculation of velocity?

Which equation can be used to solve for acceleration?

An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to the right. What is the displacement of the object?

What is required in order to determine whether or not an object moves?

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