A 16 Cm by 16 Cm Checkerboard Has a Mass

question 56

Multiple Choice

A 16 cm by 16 cm checkerboard has a mass of 207 g.There are three 31.0-g checkers located on the checkerboard as shown in the figure.Relative to O,the origin,located at the bottom,left-hand corner of the checkerboard,where is the center of mass of the checkerboard and checkers system?

• A)(7.9 cm,6.5 cm)
• B)(8.1 cm,6.7 cm)
• C)(8.1 cm,7.1 cm)
• D)(8.3 cm,6.5 cm)
• E)(8.3 cm,6.8 cm)

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