Find the Center of Mass of the Point Masses Lying

question 79

Multiple Choice

Find the center of mass of the point masses lying on the x-axis. $\begin{array} { l } m _ { 1 } = 10 , m _ { 2 } = 1 , m _ { 3 } = 6 , m _ { 4 } = 5 \\x _ { 1 } = 2 , x _ { 2 } = - 10 , x _ { 3 } = - 7 , x _ { 4 } = - 8\end{array}$

• A) \(\bar { x } = - \frac { 73 } { 22 }\)
• B)\(\bar { x } = - \frac { 69 } { 22 }\)
• C) \(\bar { x } = - \frac { 69 } { 25 }\)
• D) \(\bar { x } = - \frac { 35 } { 11 }\)
• E) \(\bar { x } = - \frac { 36 } { 11 }\)

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