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April 21, 2014

Homework Help: PHYSICS

Posted by j on Wednesday, April 25, 2012 at 11:26pm.

A catapult launches a rocket at an angle of 56.9 above the horizontal with an initial speed of 100 m/s. The rocket engine immediately starts a burn, and for 3.25 s the rocket moves along its initial line of motion with an acceleration of 28.1 m/s2. Then its engine fails, and the rocket proceeds to move in free-fall.

(a) Find the maximum altitude reached by the rocket.

(b) Find its total time of flight.

(c) Find its horizontal range.


PLEASE HELP ASAP!

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