Three Masses Are Positioned Along the X-Axis

question 32

Multiple Choice

Three masses are positioned along the x-axis.Their masses and positions are m₁ = m with x₁ = 1.0 m,m₂ = 2m with x₂ = 2.0 m,and m₃ = 9.0m with x₃ = 3.0 m.What is the x-coordinate of the center of mass of this system,to the nearest tenth?

• A)4.7 m
• B)2.7 m
• C)2.0 m
• D)0.7 m
• E)Not enough information

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