May 2019 1 121 Report
Sebatang besi panjangnya 50 cm, dipanasi daro 15 derajat celcius hingga 70 derajat celcius . Jika koefisien muai panjang besi 0,000011 per derajat celcius.
a. berapakah panjang setelah pemuaian?
b. berapakah kenaikan panjang setelah pemuaian?



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