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When 15N force is applied to a body of m...

When 15N force is applied to a body of mas acceleration produced in it is `3ms^(-2)`Now it is tied with a body of mass `m_(2)`, and the same force is applied on a composite body and acceleration produced is 2 `ms^(-2)`. Find mass of both the bodies

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`m_(1)=5 kg,m_(2)`=2.5 kg
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