Mass of the man-board system
A 60.0-kg man stands at one end of a 20.0-kg uniform 10.0-m long board. How far from the man is the center of mass of the man-board system?
A. 1.25 m
B. 2.50 m
C. 5.00 m
D. 7.50 m
E. 9.00 m
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