Homework Help: physics

Posted by ben on Monday, October 3, 2011 at 11:14pm.

A model rocket is launched straight upward
with an initial speed of 45.4 m/s. It accelerates with a constant upward acceleration of
2.98 m/s
2
until its engines stop at an altitude
of 150 m.
What is the maximum height reached by
the rocket? The acceleration of gravity is
9.81 m/s
2

When does the rocket reach maximum height?
Answer in units of s

How long is the rocket in the air?
Answer in units of s

physics - Henry, Wednesday, October 5, 2011 at 2:29pm
See your 10-2-11,11:32am post for solution.

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