A stone is dropped from the roof of a high building. A second stone is dropped 2.50 s later. How far apart are the stones when the second one has reached a speed of 10.0 m/s? (b)A fugitive tries to hop on a freight train traveling at a constant speed of 5.0 m/s. Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 3.5 m/s^2 to his maximum speed of 8 m/s.
(a) How long does it take him to catch up to the empty box car?
(b) What is the distance traveled to reach the box car?