Magnetic Net
Magnetic Net
Magnetic field question…Due to friction with the air, an airplane has acquired a net charge of 1.70 x 10^-5?
Due to friction with the air, an airplane has acquired a net charge of 1.70 x 10^-5 C. The plane moves with a speed of 3.00 x 10^2 m/s at an angle with respect to the earth’s magnetic field, the magnitude of which is 5.00 x 10^-5 T. The magnetic force on the airplane has a magnitude of 2.25 x 10^-7 N. Find the angle. (There are two possible angles.)
F_magnetic = qv x B
the magnitude of which is:
2.25e-7= F = qvB*sin(angle)
= 1.7e-5 * 3e2 *5e-5 *sin(angle)
= (1.7*3*5)*e-8 *sin(angle)
sin(angle) = (2.25/(1.7*3*5)) * e1
= 0.8824
angle = Arcsin(0.8824) = 61.9 degrees
It could also be headed in the opposite direction:
angle’ = 180 + 61.9 = 241.9 degrees.
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