describe how we could find the direction of induced currents, given the direction of motion of a conductor and the direction of magnetic field​

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

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what is the actual question though?