document.write( "Question 184005:  An angry construction worker throws his wrench downward from a height of 128 feet with an initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given by \r
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document.write( "S(t)= -16t^-32t+128\r
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document.write( "A)What is the height of the wrench after 1 second?
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document.write( "B)How long does it take for the wrench to reach the ground? \n" );
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| Algebra.Com's Answer #138045 by solver91311(24713)     You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Part (A): Substitute 1 for t and then do the arithmetic.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Part (B): Set the function expression equal to zero.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply by \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve the quadratic by factoring. Exclude the extraneous negative root. The positive root is the answer.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |