October 2018 1 22 Report
Pipa kapiler yg berjari - jari 2 mm dimasukan tegak lurus ke dlm zat cair yg memiliki tegangan permukaan 3*10^-2 N/m. ternyata permukaan zat cair dlm pipa naik 2 mm. jk sudut kontak zat cair 37° (cos 37° = 0,8) dan g 10 m/s^2 . massa jenis zat cair adalah......kg/m^3

a. 1,0 * 10^3
b. 1,2 * 10^3
c. 1,5 * 10^3
d. 2,0 * 10^3
e. 2,2 * 10^3

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