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Problem Use μ 0 = 4 π × 10 − 7 H m − 1 \mu_0 = 4\pi \times 10^{-7}\,\text{H m}^{-1} μ 0 = 4 π × 1 0 − 7 H m − 1 ϵ 0 = 8.85 × 10 − 12 F m − 1 \epsilon_0 = 8.85 \times 10^{-12}\,\text{F m}^{-1} ϵ 0 = 8.85 × 1 0 − 12 F m − 1 v v v 2.0 × 10 8 m s − 1 2.0 \times 10^{8}\,\text{m s}^{-1} 2.0 × 1 0 8 m s − 1 5.6 × 10 8 m s − 1 5.6 \times 10^{8}\,\text{m s}^{-1} 5.6 × 1 0 8 m s − 1 3.0 × 10 8 m s − 1 3.0 \times 10^{8}\,\text{m s}^{-1} 3.0 × 1 0 8 m s − 1 1.1 × 10 8 m s − 1 1.1 \times 10^{8}\,\text{m s}^{-1} 1.1 × 1 0 8 m s − 1 Browse the problem library