Hello Dear ExpertQ: A rod built into the wall is loaded with $50N$ up$-$and$-$down. The radius of the rod is $2mm.$ The length of

the rod is $10mm.$ After how many repetitions the rod is damaged?

$($The material tensile yield strength is $250$MPa $),$ in question there is no material information was given. Can the question not to be solved with data on graph $?$A rod built into the wall is loaded with $50$ N up$-$and$-$down. The radius of the rod is $2$ mm$.$ The length of the rod is $10$ mm$.$ After how many repetitions the rod is damaged $?$