A person carries a 25.0-N rock through the path shown in the figure, starting at point A and ending at point B. The total time from A to B is 1.50 min. How much work did gravity do on the rock between A and B? 
A) 625 J
B) 20.0 J
C) 275 J
D) 75 J
E) 0 J
Correct Answer:
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