Until a train is a safe distance from the station, it must travel at 5 m/s. Once the train is on open track, it can speed up
to 45 m/s. If it takes a train 8 seconds to reach 45 m/s, what is the acceleration of the train?
m/s2
Done

0.11 m/s and 0.28 m/s should be correct

the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.

305.7

explanation:

density =m/v

density =917/3.00

density = 305.

approximately = 305.7

in four significant figures