document.write( "Question 432312: h=-16t^2+64t\r
\n" ); document.write( "\n" ); document.write( "A. The object reaches its maximum height 2 seconds after it is propelled. What is the maximum height?\r
\n" ); document.write( "\n" ); document.write( "B. After how many seconds does the object hit the ground?\r
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\n" ); document.write( "\n" ); document.write( "Please help me work this out!!\r
\n" ); document.write( "\n" ); document.write( "Thanks,\r
\n" ); document.write( "\n" ); document.write( "Chris
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Algebra.Com's Answer #299764 by shree840(260)\"\" \"About 
You can put this solution on YOUR website!
your formula is given h=-16T^2+64t
\n" ); document.write( "substitute t=2
\n" ); document.write( "h=-16(2)^2+64*2
\n" ); document.write( "=-64+128=64 ANS
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