document.write( "Question 1089138: if a body is dropped, the distance (s meters) through which it falls freely in t seconds is approximately 16t^2.
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Algebra.Com's Answer #703463 by ikleyn(52782)\"\" \"About 
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\n" ); document.write( "if a body is dropped, the distance (s meters) through which it falls freely in t seconds is approximately 16t^2.
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document.write( "    The form of the equation for freely falling body  \"distance = 16*t^2\" assumes that the distance is in feet, not in meters.\r\n" );
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document.write( "    It is your MISTAKE in the condition to relate the distance to meters.\r\n" );
document.write( "    It must be in feet.\r\n" );
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document.write( "a.  Show that the distances through which it falls during the first, second, third,..... forms an AP?\r\n" );
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document.write( "    - See the lesson  Free fall and arithmetic progressions  in this site. It is explained there in all details.\r\n" );
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document.write( "b.  How far will the body fall in the tenth second?    Answer. \"16%2A10%5E2+-+16%2A9%5E2\",  or, which is the same, \"16%2A%2810%5E2-9%5E2%29\" ft.\r\n" );
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document.write( "                                                              Please complete these calculations on your own.\r\n" );
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document.write( "c. How far will it fall the 20 seconds?                Answer. In \"16%2A20%5E2\" feet.\r\n" );
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