Four Smiley Faces Are Situated Along the X Axis as Follows

question 22

Multiple Choice

Four smiley faces are situated along the x axis as follows: m₁ = 5 kg at -5.0 m,m₂ = 3 kg at -2.0 m,m₃ = 3 kg at 1.0 m,and m₄ = 2 kg at 3.0 m.Where is the center of mass situated?

• A)3.1 m
• B)0.0 m
• C)-1.7 m
• D)-0.80 m
• E)-3.1 m

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