56. The graph below shows the distance Malika is from a motion detector for a period of 10 seconds. A certain order of 3 of the following 5 actions describes Malika’s movement in relation to the position of the motion detector. Which order is it ?
I. Stands still for 5 seconds
II. Walks away at 4 feet per second
III. Walks toward at 4 feet per second
IV. Walks away at 2 feet per second
V. Walks toward at 2 feet per second
Your Answer is
Correct Answer is K
Explanation
Observing the image, it can be seen that Malika first walked back at a speed of 2 feet per second, stopped for 5 seconds, and then walked forward at a speed of 4 feet per second. Therefore choose K.