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A metal rod (A) of 25 cm length expands ...

A metal rod (A) of `25 cm` length expands by `0.050 cm` when its temperature is raised from `0^@ C` to `100^@ C`. Another rod (B) of a different metal of length `40 cm` expands by `0.040 cm` for the same rise in temperature. A third rod ( C) of `50 cm` length is made up of pieces of rods (A) and (B) placed end to end expands by `0.03 cm` on heating from `0^@ C` to `50^@ C`. Find the lengths of each portion of the composite rod.

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A metal rod (A) of 25 cm length expands by 0.050 cm when its temperature is raised from 0^@ C to 100^@ C . Another rod (B) of a different metal of length 40 cm expamds by 0.040 cm for the same rise in temperature. A third rod ( C) of 50 cm length is made up of pieces of rods (A) and (B) placed end to end expands by 0.03 cm on heating from 0^@ C . Find the lengths of each portion of the composite rod.

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A metal rod A of length l_(0) expands by Deltal when its temperature is raised by 100^(@)C . Another rod B of different metal of length 2l_(0) expands by Deltal//2 for same rise in temperature. A third rod C of length 3l_(0) is made up of pieces of rods A and B placed end to end expands by 2Deltal on heating through 100K . The length of each portion of the composite rod is :-

A metal rod A of length l_(0) expands by Deltal when its temperature is raised by 100^(@)C . Another rod B of different metal of length 2l_(0) expands by Deltal//2 for same rise in temperature. A third rod C of length 3l_(0) is made up of pieces of rods A and B placed end to end expands by 2Deltal on heating through 100K . The length of each portion of the composite rod is :-