document.write( "Question 81551: The constant is always equal to the initial height of the ball (80 m in our previous exercises). Now, let’s have you develop a height equation. A ball is thrown upward from the roof of a building 100 m tall with an initial velocity
\n" ); document.write( "of 20 m/s. \r
\n" ); document.write( "\n" ); document.write( "When will the ball reach a height of 80 m?\r
\n" ); document.write( "\n" ); document.write( "thanks
\n" ); document.write( "

Algebra.Com's Answer #58475 by renevencer22(21)\"\" \"About 
You can put this solution on YOUR website!
Please see solution in:\r
\n" ); document.write( "\n" ); document.write( "http://www.freewebs.com/renevencer11/physics/freefalling2.jpg
\n" ); document.write( "
\n" ); document.write( "
\n" );