Grades 7-8 Video Solutions 2023-2023_7-8

Video Transcription

Question 8. The diagram shows the initial position, the direction of travel, and how far four bumper cars move in 5 seconds. Which two cars will collide?  Take a look at our grid. We can place down our cars, A, B, C, and D, as well as their trajectories, after 5 seconds.  So, if we allow 5 seconds to pass, the cars will now be in this position.  Now, their trajectory will remain the same, so if we just draw the lines the same as they were, we will see something like this.  And with this, we will see the two cars that hit each other are A and C, giving us answer B.

Video Summary

The diagram in the problem shows the initial positions and directions of four bumper cars, A, B, C, and D, as well as how far they travel in 5 seconds. By plotting their movements on a grid, it is determined that after 5 seconds, cars A and C will collide. This collision provides the solution to the question, which is answer B.