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a 200-loop coil of cross sectional area 8.5 cm2 lies in the plane of the page. an external magnetic field of 0.060 t is directed out of the plane of the page. the external field decreases to 0.020 t in 12 milliseconds.
(a) what is the magnitude of the change in the external magnetic flux enclosed by the coil? (4.0 × 10-3 t ∙ m2)
(b) what is the magnitude of the average voltage induced in the coil as the external flux is changing? (0.57 v)
(c) if the coil has a resistance of 4.0 ohms, what is the magnitude of the average current in the coil? (0.14 a)

answer: the exterior temperature of commercial jet planes as they leave the stratosphere and return to the ground increases steadily.

explanation:

the lower most layer of atmosphere is troposphere which extends from 0 to 12 km above the surface of the earth. the temperature initially decreases as distance is increased from the earth's surface. commercial jets fly in lower part of the stratosphere. the stratosphere extends upto 50 km. the temperature in stratosphere starts rising again due to presence of ozone which traps the uv rays.

thus, when the planes leave the stratosphere and return to the ground, the exterior temperature increases steadily.

im guessing the west of station b

total distance/total time

(85 + 82)/(5+3)

167/8

20 just over