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Equation solution 17 : r_{34}² = k * (Q_3 * Q_4)/r_{34}² devient r_{34}² = k * (Q_3 * Q_4)/F

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• 35fae812...6ce1643a - 4 commits from branch orestis.malaspin:master
• 2fc6b3c4 - Merge branch isc_physics:master into master

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