See pic below. I'm still a school student, and this may or may not be right. But remember that the vertical and horizontal components of the velocity are the same value in this case, because of exact trig values.
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Homework Statement
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What is the direction of the magnetic field due to the induced current when the following changes are made to the initial field?
a. The field is switched off.
b. The field strength is doubled.
c. The direction of the...