3. The graph below shows the displacement vs time of a student leaving the NSCI 110 after physics class walking towards the cafeteria for lunch (assume a 1-D motion) At some point between NSCI 110 and...


3. The graph below shows the displacement vs time of a student leaving the NSCI 110<br>after physics class walking towards the cafeteria for lunch (assume a 1-D motion) At<br>some point between NSCI 110 and the cafeteria, the student realizes they have left<br>their cell phone in the classroom, so they turn back to get it.<br>Displacement vs Time<br>120<br>100<br>nol Velocity vs Time<br>80<br>1.5<br>60<br>40<br>30<br>60<br>90<br>120<br>150<br>180<br>210<br>20<br>-1.5<br>30<br>60<br>90<br>120<br>150<br>180<br>210<br>Time (s)<br>a. How far did the student walk before realizing that they left their cell phone in the<br>classroom? How long did this take? (2 marks)<br>b. With what velocity did the student walk back to the classroom? (2 marks)<br>c. Fill out the velocity vs time graph above. (2 marks)<br>Distance (m)<br>

Extracted text: 3. The graph below shows the displacement vs time of a student leaving the NSCI 110 after physics class walking towards the cafeteria for lunch (assume a 1-D motion) At some point between NSCI 110 and the cafeteria, the student realizes they have left their cell phone in the classroom, so they turn back to get it. Displacement vs Time 120 100 nol Velocity vs Time 80 1.5 60 40 30 60 90 120 150 180 210 20 -1.5 30 60 90 120 150 180 210 Time (s) a. How far did the student walk before realizing that they left their cell phone in the classroom? How long did this take? (2 marks) b. With what velocity did the student walk back to the classroom? (2 marks) c. Fill out the velocity vs time graph above. (2 marks) Distance (m)

Jun 11, 2022
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