Question

Determine the potential difference developed across the wings of a Boeing 747 airliner when traveling north at 240m/s240 \mathrm{m} / \mathrm{s}.The wingspan is 60m60 \mathrm{m}.Earth’s 5.0×105T5.0 \times 10^{-5}-\mathrm{T} magnetic field points in a direction 6060^{\circ} below a horizontal line directed north. In solving this problem, follow the outline developed in the previous problem. Note that the magnetic field is not perpendicular to the plane’s velocity.

Solution

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Step 1

1 of 5
  • Firstly, sketch and explain the system.

  • Secondly, derive the expression for the electric force FEF_{\overrightarrow{E}} and the magnetic force FBF_{\overrightarrow{B}} which are balanced.

  • Finally, substitute and determine the potential difference developed across the wings of a Boeing 747 airliner while traveling.

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