document.write( "Question 94874: You clocked the time between lightning and thunder as 8 seconds. About how far away was the lightning? \n" ); document.write( "
Algebra.Com's Answer #69079 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! the speed of sound is about a mile in 5 sec \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this is the \"rule of thumb\" of counting the seconds from when you see the lightning to when you hear the thunder and dividing by 5 to get the distance in miles\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in this case, 8/5=1.4 miles\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the speed of the flash (about 186,000 miles per second) is considered instantaneous \n" ); document.write( " |