document.write( "Question 750463: The CN tower in Toronto, at 1815 ft., is the world's tallest self-supporting tower (no guy wires).\r
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document.write( " write a equation if you were to drop a coin from the top
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document.write( " h=
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document.write( " how long would it take a coin to fall to the ground?
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document.write( " what would the height of the coin be when time was 2 seconds?\r
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document.write( "Please explain in detail and show work. \n" );
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Algebra.Com's Answer #456624 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The CN tower in Toronto, at 1815 ft., is the world's tallest self-supporting tower (no guy wires). \n" ); document.write( "write a equation if you were to drop a coin from the top \n" ); document.write( "The acceleration of gravity 16t^2 \n" ); document.write( "h = -16t^2 + 1815; (t in seconds) \n" ); document.write( ": \n" ); document.write( "how long would it take a coin to fall to the ground? \n" ); document.write( "h=0 \n" ); document.write( "-16t^2 + 1815 = 0 \n" ); document.write( "-16t^2 = -1815 \n" ); document.write( "16t^2 = 1815; mult both sides by -1 \n" ); document.write( "t^2 = 1815/16 \n" ); document.write( "t^2 = 113.4375 \n" ); document.write( "t = \n" ); document.write( "t = 10.65 sec to hit the ground \n" ); document.write( ": \n" ); document.write( "what would the height of the coin be when time was 2 seconds? \n" ); document.write( "Find how far it would fall in 2 seconds \n" ); document.write( "h= 16(2^2) \n" ); document.write( "h = 64ft \n" ); document.write( "1815 - 64 = 1751 ft the height after 2 seconds \n" ); document.write( " \n" ); document.write( " |