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## Homework Statement

An oxygen molecule vibrates so that the distance between its intramolecular bonds changes from 1 Angstrom to 3 Angstrom. This change occurs 1000 times every second. If the average speed of the movement is 100 m/s, and the weight of the molecule is 10^-26 kg, how much energy is produced by these vibrations?

## Homework Equations

KE=1/2mv^2

## The Attempt at a Solution

KE= 1/2 x 10^-27 kg x 100m/s^2

= 5 x 10^-25 Joules ? (This is not correct, the answer is 1 x 10^-22 Joules)