1. a) The spacetime coordinates of two events 1 and 2 measured from frame S and S' are (x, , ),,Z,,t, ), (x;, y,, z,, t; ) and (x2, )2,Z2,t2), (x2, y2, z'2,f; ) respectively. State Lorentz equations for a pair of events measured from frame S' moving with a velocity v