Question

I steel rod measure with zinc is kelp both begin at 25 degree centigrade appear to be 1 m long if the zinc is kal is called as zero degree centigrade what is the actual length of rod at 25 degree centigrade what will be the length of rod at zero degree centigrade linear expansion Vidyapeeth steel is equal to 12 time 10 to the power minus 6 any expansible posting it is equal to 23 2016 10 to the power minus 6 degree centigrade

Answer 1

tyuigddjudjdhgb.. i dont know