Jawabanmu

2014-02-12T19:26:21+07:00
∆l = lo.α.∆t
= 1m.(17/1.000.000)/'C.(50-25)'C
= 1m.(17/1.000.000)/'C.25'C
= 0,000425 m

Maka, panjang akhirnya :

∆l = lt- lo
0,000425 = lt - 1
lt = 1,000425 m

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