Ct2
Ct1
A.
ct
x2
X = vt
Coordinate (x2, Ct2)
in terms of t1, ven
cis.
• x2 = vta
0
x2 = C(t2-t1)
Ct2-ct1= vt2
t2=t1
1-V/c
(x2, c.t2) = \left(\frac{vt1}{1-v/c}, \frac{ct1}{1-v/c}\right)
B.
C(to+2t).
C (tott)
Cto
act
X
? Ct = c(tn+nt) + vt
why?
X = vt
thus. (x,t) = \frac{to+nt}{1-\beta^2} (v/c)