A model rocket is launched straight upward with an initial speed of 49.4 m/s. It acceler- ates with a constant upward acceleration of 2.25 m/s2 until its engines stop at an altitude of 187 m.
What is the maximum height reached by the rocket?
Answer in units of m
076 (part 2 of 3) 10.0 points How long after lift-off does the rocket reach
its maximum height?
Answer in units of s
077 (part 3 of 3) 10.0 points
How long is the rocket in the air?
Answer in units of s