Tuesday
September 23, 2014

Homework Help: Math

Posted by Cassandra on Tuesday, September 8, 2009 at 3:41am.

A model rocket blasts off and moves upward with an acceleration of 12 m/s^2 until it reaches a height of 28 m , at which point its engine shuts off and it continues its flight in free fall.

What is the speed of the rocket just before it hits the ground?

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