document.write( "Question 1154815: A model rocket is launched with an initial velocity of 170 ft/s. The height, h, of the rocket t seconds after launch is given by
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Algebra.Com's Answer #777294 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "To get the answer, solve the quadratic equation\r\n" );
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document.write( "    -16t^2 + 170t = 314.\r\n" );
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document.write( "You will get 2 roots.\r\n" );
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document.write( "One root is the solution for the model moving up, while the other root is the solution for the model falling down.\r\n" );
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