Science
If the vertical component of the Earth's magnetic field is 5, homework help

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The formula to calculate the emf E induced for a rod of length l moving at speed v perpendicular to the magnetic field B is E = Blv

We are using the vertical component of the magnetic field as it is this component of the field that the airplane is moving perpendicular to. 

E = Blv = 5.1 x 10^(-6) x 39.9 x (860 x 1000/ 60 x 60) = 0.049 V (to 2 sig fig) = 49 mV (answer)

Please remember to convert the speed from km/h to m/s to ensure that you are working with SI units for all the quantities.

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alfredloo (6)
Rice University

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