document.write( "Question 680163: Please help me solve this word problem using the position equation. I have solved the first part but cannot seem to get the second part! \r
\n" ); document.write( "\n" ); document.write( "A C-141 Starlifter flying at 25,000 feet over level terrain drops a 500-pound supply package.
\n" ); document.write( "(a) How long will it take until the supply package strikes the ground?\r
\n" ); document.write( "\n" ); document.write( "This is what I have come up with:
\n" ); document.write( "s=-16t^2+v0t+s0
\n" ); document.write( "Since we don't know the velocity, plug in 0 for v0t.\r
\n" ); document.write( "\n" ); document.write( "s=-16t^2+0+25,000
\n" ); document.write( "0=-16t^2+25,000
\n" ); document.write( "16t^2=25,000
\n" ); document.write( "t^2=25,000/16
\n" ); document.write( "square root of t^2=square root of 25,000/16
\n" ); document.write( "t approximately = 39.5 seconds\r
\n" ); document.write( "\n" ); document.write( "Now, here's the part I can't seem to figure out.
\n" ); document.write( "(b) The plane is flying at 500 miles per hour. How far will the supply package travel horizontally during it's descent?
\n" ); document.write( "

Algebra.Com's Answer #422251 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Please help me solve this word problem using the position equation. I have solved the first part but cannot seem to get the second part! \r
\n" ); document.write( "\n" ); document.write( "A C-141 Starlifter flying at 25,000 feet over level terrain drops a 500-pound supply package.
\n" ); document.write( "(a) How long will it take until the supply package strikes the ground?\r
\n" ); document.write( "\n" ); document.write( "This is what I have come up with:
\n" ); document.write( "s=-16t^2+v0t+s0
\n" ); document.write( "Since we don't know the velocity, plug in 0 for v0t.\r
\n" ); document.write( "\n" ); document.write( "s=-16t^2+0+25,000
\n" ); document.write( "0=-16t^2+25,000
\n" ); document.write( "16t^2=25,000
\n" ); document.write( "t^2=25,000/16
\n" ); document.write( "square root of t^2=square root of 25,000/16
\n" ); document.write( "t approximately = 39.5 seconds\r
\n" ); document.write( "\n" ); document.write( "Now, here's the part I can't seem to figure out.
\n" ); document.write( "(b) The plane is flying at 500 miles per hour. How far will the supply package travel horizontally during it's descent?
\n" ); document.write( "------------
\n" ); document.write( "500 mi/hr * 39.5 sec * 1 hr/3600 sec = 5.486 miles
\n" ); document.write( "-----------
\n" ); document.write( "BTW, that's called \"air mail\"
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