International space from 20.0 m/s [e] to 0.0 m/s in 12 s. (a) What is the acceleration of the spacecraft? (b) What is the displacement of the spacecraft when it comes to rest?
a) (a) 1.67 m/s² (b) 100 m
b) (a) 2.0 m/s² (b) 240 m
c) (a) 1.5 m/s² (b) 180 m
d) (a) 2.5 m/s² (b) 120 m