August 2018 2 731 Report
Suatu keping tembaga memiliki panjam 10 cm, lebar 5 cm, dan suhunya 20°C dipanaskan hingga suhunya naik menjadi 70°C. berapakah luas keping tersebut? (koefisien muai panjang tembaga = 1,8 × 10^-5 k^-1)
gan beserta cra ya...
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