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Mathematics, 07.10.2021 14:00 battlemarshmell
Consider a conflict between two armies of and soldiers, respectively. During World War I, F. W. Lanchester assumed that if both armies are fighting a conventional battle within sight of one another, the rate at which soldiers in one army are put out of action (killed or wounded) is proportional to the amount of fire the other army can concentrate on them, which is in turn proportional to the number of soldiers in the opposing army. Thus Lanchester assumed that if there are no reinforcements and represents time since the start of the battle, then and obey the differential equations where and are positive constants. Suppose that and , and that the armies start with and thousand soldiers. (Use units of thousands of soldiers for both and .) (a) Rewrite the system of equations as an equation for as a function of : (b) Solve the differential equation you obtained in (a) to show that the equation of the phase trajectory is for some constant . This equation is called Lanchester's square law. Given the initial conditions and , what is
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Consider a conflict between two armies of and soldiers, respectively. During World War I, F. W. Lanc...
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