document.write( "Question 938078: A ball is dropped from a height of 60 meters above the ground. How long does it take to hit the ground? \n" ); document.write( "
Algebra.Com's Answer #571412 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A ball is dropped from a height of 60 meters above the ground. How long does it take to hit the ground? \n" ); document.write( "-------------------- \n" ); document.write( "s = at^2/2 = 60 \n" ); document.write( "--- \n" ); document.write( "Using 5 m/sec/sec for acceleration, \n" ); document.write( "5t^2 = 60 \n" ); document.write( "t = sqrt(12) =~ 3.464 seconds \n" ); document.write( "============ \n" ); document.write( "Some use 4.9 m/sec/sec for acceleration, some use other numbers. \n" ); document.write( " |