document.write( "Question 677687: A ball is thrown upward with an initial velocity of 96 ft/s from a height 640 ft. It's height h, in fact after t seconds is given by h=-16t^2 + 96 +640. After how many seconds will the ball reach the ground? \n" ); document.write( "
Algebra.Com's Answer #420996 by lynnlo(4176)![]() ![]() ![]() You can put this solution on YOUR website! 10seconds \n" ); document.write( " |