Motion of Model Rockets
A model rocket is launched straight upward with an initial speed of 50 m/s. It accelerates with a constant upward acceleration of 2.0 m/s² until its engines stop at an altitude of 150 m.
(a) Describe the motion of the rocket after its engines stop.
(b) Calculate the maximum height reached by the rocket.
(c) How long is the rocket in the air?