document.write( "Question 1199766: One speed skater starts across a frozen lakebat an average speed of 8 m / s. Ten minutes later, a second skater start from the same points and skate the same direction at speed of 9m/s. How many seconds after the 2 and skater will overtake the first skater?
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Algebra.Com's Answer #833736 by greenestamps(13209) You can put this solution on YOUR website! \n" ); document.write( "In 10 minutes at 8 m/s, the first skater travels (10)(60)(8) = 4800 m. \n" ); document.write( "The rate at which the second skater catches up to the first is the difference in their speeds, which is 1 m/s. \n" ); document.write( "To make up the 4800 m at the rate of 1 m/s takes 4800/1 = 4800 seconds. \n" ); document.write( "ANSWER: 4800 seconds \n" ); document.write( "(notes....) \n" ); document.write( "(1) That's a very long frozen lake \n" ); document.write( "(2) Speed skaters don't maintain speeds like that for those amounts of time \n" ); document.write( " \n" ); document.write( " |