Find the average acceleration of a northbound subway train that slows from 12 m/s to 9.6 m/s in 0.9 s
2.7 m/s
-2.7 m/s^2
-2.7 m/s
2.7 m/s^2

Which statement best identifies the process shown? the process must be fusion because energy is released. a.the process must be fusion because a heavier nucleus forms from smaller nuclei. b.the process must be fission because a large nucleus breaks into smaller nuclei. c.the process must be fission because neutrons are formed.