A metal rod of initial length L 0 is subjected to a drawing process. The length of the rod at any instant is given by the expression, L(t) = L 0 (1 + t 2 ) where t is the time in minutes. The true strain rate (in min -1 ) at the end of one minute is ____

GATE Mechanical Engineering (ME) 2014 Shift 1 Solved Paper

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A metal rod of initial length L₀ is subjected to a drawing process. The length of the rod at any instant is given by the expression, L(t) = L₀ (1 + t²) where t is the time in minutes. The true strain rate (in min^-1) at the end of one minute is ____

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