8.5×10−4 N/m8.5 \times 10^{-4} \mathrm{~N} / \mathrm{m}8.5×10−4 N/m
7.5×10−4 N/m7.5 \times 10^{-4} \mathrm{~N} / \mathrm{m}7.5×10−4 N/m
9.0×10−4 N/m9.0 \times 10^{-4} \mathrm{~N} / \mathrm{m}9.0×10−4 N/m
8.0×10−4 N/m8.0 \times 10^{-4} \mathrm{~N} / \mathrm{m}8.0×10−4 N/m
