An Airplane with a Wingspan of 60

question 47

Multiple Choice

An airplane with a wingspan of 60.0 m flies parallel to the Earth's surface at a point where the downward component of the Earth's magnetic field is 0.400 x l0^-4 T.If the induced potential between wingtips is 0.900 V,what is the plane's speed?

• A)250 m/s
• B)338 m/s
• C)375 m/s
• D)417 m/s

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Definitions:

Tensor Veli Palatini

A muscle of the soft palate involved in swallowing and opening the Eustachian tube to equalize middle ear pressure.

Digastrics

A muscle located under the jaw that acts in the opening of the mouth and drawing back of the lower jaw.

Levator Veli Palatine

A muscle in the oral cavity that elevates the soft palate during swallowing and speaking to prevent food from entering the nasal passages.

Soft Palate

The soft tissue constituting the back of the roof of the mouth, separating the mouth from the nasopharynx.