document.write( "Question 1061428: the formula v=√ 2gh gives the velocity v,i feet per second,of an object when it falls h feet accelerated by gravity g, in feet per second squared.if g, is approximately 32 feet per second squared, find how far an object has fallen if its velocity is 80 feet per second. \n" ); document.write( "

Algebra.Com's Answer #676209 by ikleyn(52778) $\"\"$ $\"About$

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\n" ); document.write( "the formula v=√ 2gh gives the velocity v,i feet per second,of an object when it falls h feet accelerated by
\n" ); document.write( "gravity g, in feet per second squared.if g, is approximately 32 feet per second squared, find how far an object
\n" ); document.write( "has fallen if its velocity is 80 feet per second.
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document.write( "Simply substitute the given g = 32 ft/m^2 and v = 80 ft/s into the equation.\r\n" );
document.write( "You will get\r\n" );
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document.write( "80 = .\r\n" );
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document.write( "It is the same as \r\n" );
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document.write( "80 = ,   or\r\n" );
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document.write( "80 = ,  or\r\n" );
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document.write( " = 10.\r\n" );
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document.write( "You need to find the unknown \"h\" from this equation.\r\n" );
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document.write( "For it, square both sides. You will get\r\n" );
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document.write( "h = 100.\r\n" );
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document.write( "Answer. The body has fallen 100 ft.\r\n" );
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