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volocibel
volocibel
28.05.2021 • 
Physics

10. A troubled student is waiting to see the principal. He paces back and forth in the hallway in front of the principal's office. The hallway runs north and south. The door to the office is the origin, Om. Here is a
description of the student's motion
The student starts at Show. He walles to the south for 7 m during 10 seconds. He stands still for 5
seconds. He turns around and walks 15m north during 15 seconds. He stops to say "Hello" to a friend
principal calls him to the office door. It takes the student 10
and remains still for 10 seconds.
seconds to reach the door."
2. What is the total time the student spent in the hallway? Show your work. (1.5 marks)
b. What was the distance traveled by the student during his pacing? Show your work. (1.5 marks)
Calculate the average speed of the student during his pacing. Show your work. (1 mark)
d. Determine the total displacement of the student's journey. Show your work/explain your answer. (2
marks)
e. Determine the average velocity of the student's journey. Show your work. (2 marks)
f
On the grid below, plot time on the horizontal axis and position on the vertical axis. Use straight-line
segments to joint the points of the Position-Time that you plot. Hint: For the y axis you will need
positive and negative values. Label your axes and include a title. (3 marks)
11. Tim lives on the same street as his school. The from of the school is located 1020m (E) from his home. If Tim
walks 3.0 m/s [E]. calculate the time it will take Time to walk from home to school

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