Tolong dijawab sama caranya kak, soalnya nanti malem jam 23.00 mau dikumpulin.

Tolong dijawab sama caranya kak, soalnya nanti malem jam 23.00 mau dikumpulin.

Jawaban:

$F_{1} = F_{2}\\frac{m_{a}}{r_{a}^{2} } = frac{m_{b}}{r_{b}^{2} } \\frac{m_{a}}{m_{b}} = frac{r_{a}^{2} }{r_{b}^{2} }\\frac{m_{a}}{m_{b}} = frac{4r^{2} }{16r^{2} }\\frac{m_{a}}{m_{b}} = frac{1}{4}\\m_{a} = frac{1}{4} m_{b}$ / E