document.write( "Question 1139880: A model rocket is launched with an initial velocity of 160 ft/s. The height, h, in feet, of the rocket t seconds after the launch is given by
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\n" ); document.write( " How many seconds after launch will the rocket be 380 ft above the ground? Round to the nearest hundredth of a second. \n" ); document.write( "

Algebra.Com's Answer #760371 by Alan3354(69443) $\"\"$ $\"About$

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when −16t2 + 160t = 0
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