document.write( "Question 1007275: Please help me solve this problem: \r
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document.write( "A fish is being reeled in at a rate of 30 cm/s from a bridge that is 4m above the water. At what rate is the angle (in rads/s) between the line and the water changing when there is 8m of line out ? \r
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document.write( "fishing line = hypotenuse
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document.write( "4m = height
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document.write( "theta = angle opposite 4m and adjacent water and hypotenuse\r
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document.write( "Your help is always appreciated! \n" );
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Algebra.Com's Answer #623398 by Alan3354(69443) You can put this solution on YOUR website! A fish is being reeled in at a rate of 30cm/s from a bridge that is 4m above the water. At what rate is the angle (in rads/s) between the line and the water changing when there is 8m of line out ? \n" ); document.write( "fishing line = hypotenuse \n" ); document.write( "4m= height \n" ); document.write( "theta= angle opposite 4m and adjacent water and hypotenuse \n" ); document.write( "Hypotenuse = c \n" ); document.write( "------- \n" ); document.write( "Angle a = arcsin(4/c) \n" ); document.write( "Differentiate implicitly \n" ); document.write( "da/dt = \n" ); document.write( "dc/dt = -0.3 m/sec \n" ); document.write( "da/dt = (1/sqrt(1 – 16/64))*(-4/64)*(-0.3) \n" ); document.write( "da/dt = (1/sqrt(3/4))*(1.2/64) \n" ); document.write( "= sqrt(3)/80 rad/sec \n" ); document.write( " \n" ); document.write( " |