The steel bed of a suspension bridge is 175 m long at 68 degreesF. The bridge is

Question

The steel bed of a suspension bridge is 175 m long at 68 degreesF. The bridge is designed to be safe between the temperaturelimits of – 25 degrees F to + 105 degrees F. How muchwill the bridge contract and expand between these thermal limits? The linear coefficient of expansion for steel is 12 x10-6/ degree C please show all work - this one is a bit confusing to me The linear coefficient of expansion for steel is 12 x10-6/ degree C please show all work - this one is a bit confusing to me please show all work - this one is a bit confusing to me

Explanation / Answer

Given                             L1 = 175 m                           = 12 x 10-6oC-1
                         t1 = 25 o F                           t2 = 105 o F        coefficient oflinear expansion       =L2 - L1 / L1 (t2- t1 )                                                   L2   = L1 ( (t2 -t1 ) + 1 )                         plug the value and get the answere                          I hope this helps you!

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