A 20-M Rope Is Lying on a Table

Multiple Choice

A 2.0-m rope is lying on a table.You pick up one end and start raising it vertically.How high above the table is the center of mass (or center of gravity) of the rope when half of the rope has lifted off the table?

A) 0.25 m
B) 0.50 m
C) 0.75 m
D) 1.0 m
E) 1.5 m