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m1 = m2 = m = 2 kg
F = 6,67 *10^-11 N
G = 6,67 *10^-11 Nm^2/kg^2
szukane:
r = ?
F = G * m1m2/r^2
m1 = m2 = m
F = G *m^2/r^2 I*r^2
Fr^2 = G *m^2 /:F
r^2 = G *m^2/F
r^2 = 6,67 *10^-11 * 2^2/(6,67 *10^-11)
r^2 = 4 m^2
r = 2 m
F r*2 = Gm*2
r*2=G m*2 / F
r= pierwiastek z G m*2/ F
r=pierwiastek z 6,67 x 10*-11 x 2*2 / 6,67 x 10*-11
r=2m