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July 31, 2014

Homework Help: Physics

Posted by Lindsay on Sunday, September 30, 2007 at 12:34pm.

A model rocket is launched straight upward with an initial speed of 50 m/s. It accelerates with a constant upward acceleration of 2.00 m/s^2 until its engines stop at an altitude of 150 m.
a) What is the max. height reached by the rocket?
b) When does the rocket reach max. height?
c) How long is the rocket in the air?

I really need help with which equation to use for this problem. I'm unsure of even where to begin...!

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