A model rocket is launched straight upward with an initial speed of60.0 m/s. It

Question

A model rocket is launched straight upward with an initial speed of60.0 m/s. It accelerates with a constantupward acceleration of 2.50m/s2 until its engines stop at an altitude of140 m. (a) What is the maximum height reached by therocket?
1 m

(b) How long after lift-off does the rocket reach its maximumheight?
2 s

(c) How long is the rocket in the air?
3 s (a) What is the maximum height reached by therocket?
1 m

(b) How long after lift-off does the rocket reach its maximumheight?
2 s

(c) How long is the rocket in the air?
3 s

Explanation / Answer

A model rocket is launched straight upward with an initial speed of60.0 m/s. It

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