Which of the following best describes the velocity of an object? 30 m/sec
30 m/sec

30 m east
30 m east

30 m/sec east
30 m/sec east

30 m/sec2
30 m/sec, 2

i would say

answercollision;

earth's neighboring galaxy, the andromeda galaxy, is a distance of 2.54×107 light-years from earth. if the lifetime of a human is taken to be 70.0 years, a spaceship would need to achieve some minimum speed min to deliver a living human being to this galaxy.