In the figure below, two straight conducting rails form a right angle. A conducting bar in contact with the rails starts at the vertex at time t = 0 and moves by a constant velocity of 5.80 m/s along them. A magnetic field with B vec =0.350 T is directed out of the page.
a) Compute the flux through the triangle formed by the bars at t = 2.80 s.
b) Compute the emf around the triangle at that time.
c) If the emf is script e = atn, where a and n are constants, what is the value of n?