October 2018 1 177 Report
Tolong bantu ya? aku mohon
sebatang baja bersuhu 45°C dipanaskan sampai suhu 85°C sehingga panjangnya mnjdi 50,02 cm. jika koefisien muai pnjang baja 1,0 x 10pngkt-5 °C pangkat -5. maka panjang batang mula2 adalah...

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