Lesson 9.1: Introduction to Motion Answers

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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?

Two cars started at the same position and were driven through a city using different streets. The red car traveled north 2 miles, then east 4 miles, and then south 6 miles. The green car traveled south 4 miles and then east 4 miles. Both cars ended at the same location.Which best compares the motion of the cars?

Which describes the positions on a horizontal number line?

Keisha told her friend that she can get to the town library by walking one mile east, turning left, and then walking a half a mile north.Which best describes how Keisha can improve these instructions to better help her friend find the library?

An object starts at position 12 on a horizontal line with a reference point of 0. What is the position of the object if it moves 14 units to the left?

Julie finds a snail on the sidewalk and wants to know whether or not the snail moves throughout the day. She places a single mark on the sidewalk next to the snail.What will Julie use the mark for initially?

A linear track begins at 0 meters and has a total distance of 100 meters to the finish line. Juliet starts at the 10-meter mark while practicing for a race.After running 45 meters, how far is she from the beginning of the track?

Which scenario best describes motion?

Sonya is playing a board game, and each space on the board game measures 1 centimeter. She moves her game token 5 spaces up from the start position. Then she moves it 5 spaces to the left. Finally, Sonya moves her token 2 spaces down.What is the total distance the token moved?

Four different objects are placed on a number line at 0. The chart describes the motion of each object.Using the information in the chart, the distance and displacement of each object can be determined. Which object has a distance that is three times as great as its displacement?

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?

The diagram shows a vertical number line.