For the passing reference frames in Fig. 37-25, events A and B occur at the following spacetime coordinates:

For the passing reference frames in Fig. 37-25, events A and

B occur at the following spacetime coordinates: according to the

unprimed frame, (XA, tA) and (xn, tn); according to the primed

frame, (xA, tA) and (x~, t~). In the unprimed frame, t:J.t = tn - tA =

1.00 J.LS and /lx = Xn - XA = 400 m. (a) Find an expression for /lx'

in terms of the speed parameter f3 and the given data.