52. A plane with a wing length of 50 m is flying westward where the downward component of theearth’s magnetic field is 6 ✖ 10-5 T. What is the difference in potential between the wingtips whenthe speed of the plane is 720 km/hr, and which wingtip is positive?
(A) 2.16 V, south
(B) 2.16 V, north
(C) 0.96 V, south
(D) 0.96 V, north
(E) 0.60 V, south