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Example 8.13 Center of mass of a water molecule
The figure shows a simple model of the structure of a water
molecule. The separation between atoms is d = 9.57 x 10-¹1 m.
Each hydrogen atom has mass 1.0 u, and the oxygen atom has
mass 16.0 u. Find the position of the center of mass.
y
Oxygen
cm
d
Hydrogen
105°
Hydrogen
X

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