A 45 kg student rides an elevator for 20 seconds. On the graph, the student's velocity is tracked over time. A. Write a narrative describing the student's motion for the entire trip.
B. Make a force body diagram for the following times, t = 2s, 7s, 13s, 19s.
C. The student rides the elevator while standing on a spring scale. What will the spring scale display at the following times t =2s and 7s. hi