An inertial frame of reference S′ moves past another inertial frame S moving to the left with speed 25 m s−1. At time zero the origins of the two frames coincide.
(1) A phone rings at location x′=24 m and t=5.0 s. Determine using Galilean transformation equations the location of this event in the S frame.
(2) A ball is measured to have velocity −15 m s−1 in frame S. Calculate the velocity of the ball in frame S′.