7. A stock person at the local grocery store has the job of 1) picking up boxes of tomatoes from the stockroom floor, 2) accelerating to a comfortable speed, 3) Carrying the boxes to the tomato display at constant speed, 4) decelerating to a stop, and 5) lowering the boxes slowly to the floor. During which of the five segments of the stock person's task is positive work being done on the boxes?
A. 1) and 5),
B. 1),
C. 1), 2), 4), and 5),
D. 1) and 2),
E. 2) and 3).
1 answer
C. 1), 2), 4), and 5).