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If the distance between the centres of t...

If the distance between the centres of the atoms of potassium and bromine in KBr (potassium bromide) molecule is `0.282 xx 10^(-9)`m, find the centre of mass of this two particle system from potassium (mass of bromine = 80 u, and of potassium = 39 u).

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The correct Answer is:
`9.3 xx 10^(-2)` nm
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If the distance between the centres of the atoms of potassium and bromine in KBr (potassium - bromide) molecule is 0.282xx10^(-9) m, find the centre of mass of this particle system from potassium (mass of bromine = 80 u, and of potassium = 39 u).

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