The structure of a water molecule is shown in figure

Asked by admin @ 04/08/2021 in Physics viewed by 277 People

The structure of a water molecule is shown in figure (9-E1). Find the distance of the center mass of the molecule from the center of the oxygen atom.

Answered by admin @ 04/08/2021

Thanks for asking the question!

ANSWER::

Given:-
m₁=1 gm m₂=1 gm
x₁= - (0.96 x 10⁻¹⁰) sin 52° x₂= - (0.96 x 10⁻¹⁰)sin52° x₃= 0
y₁=0 y₂=0 y₃=(0.96 x 10⁻¹⁰) cos52°

So , the position of centre of mass is =

[(m₁x₁+m₂x₂+m₃x₃)/(m₁+m₂+m₃) , (m₁y₁+m₂y₂+m₃y₃)/(m₁+m₂+m₃)]

=[(- (0.96 x 10⁻¹⁰) x sin 52°+ (0.96 x 10⁻¹⁰) sin 52°+16 x 0) / (1+1+16) , (0+0+16(0.96 x 10⁻¹⁰) cos 52°)/(18)]

=(0,(8/9)0.96 x 10⁻¹⁰cos 52°)

Hope it helps!

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