Question

A small rocket is launched vertically, attaining a maximum speed at burnout of 1.0 102 m/s and thereafter coasting straight up to a maximum altitude of 1482 m. Assuming the rocket accelerated uniformly while the engine was on, how long did it fire and how high was it at engine cutoff? Ignore air friction.

Answer 1

Someone will glady critique your work.

Answer 2

That's why I posted here in the first place. I don't know how to even start it.