Saturday

December 20, 2014

December 20, 2014

Posted by **christian** on Saturday, December 11, 2010 at 7:14pm.

Question A firework company is designing fireworks so that they can explode above a certain height. the fireworks are fired from the ground at an initial velocity of 160 ft per sec, what is the range of times for the firework to explode so that it is at least 350 feet in the air

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