In 1996, NASA performed an experiment called the Tethered Satellite experiment.

Question

In 1996, NASA performed an experiment called the Tethered Satellite experiment. In this experiment a 2.86 x 104-m length of wire was let out by the space shuttle Atlantis to generate a motional emf. The shuttle had an orbital speed of 6.55 x 103 m/s, and the magnitude of the earth's magnetic field at the location of the wire was 5.25 x 10-5 T. If the wire had moved perpendicular to the earth's magnetic field, what would have been the motional emf generated between the ends of the wire?

The number of significant digits is set to 3; the tolerance is +/-1 in the 3rd significant digit

Explanation / Answer

emf = vBL = 6.55 x 103 x 5.25 x 10-5 x 2.86 x 104

emf = 9834.825 volts

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