document.write( "Question 1139432:  The semicircular turns of a horse race track
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document.write( "each have a radius of 200 feet. During the first turn of a race,
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document.write( "the lead horse is running near the inside rail on a path with a
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document.write( "202.0-foot radius, at a constant rate of 24.4 feet per second. A
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document.write( "second horse is rounding the same turn on a path with a 206.5-
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document.write( "foot radius. At what constant rate does the second horse need
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document.write( "to run to keep pace with the lead horse during this turn? Round
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document.write( "to the nearest tenth of a foot per second.
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| Algebra.Com's Answer #760053 by Alan3354(69443)     You can put this solution on YOUR website! The semicircular turns of a horse Lrace track \n" ); document.write( "each have a radius of 200 feet. During the first turn of a race, \n" ); document.write( "the lead horse is running near the inside rail on a path with a \n" ); document.write( "202.0-foot radius, at a constant rate of 24.4 feet per second. A \n" ); document.write( "second horse is rounding the same turn on a path with a 206.5- \n" ); document.write( "foot radius. At what constant rate does the second horse need \n" ); document.write( "to run to keep pace with the lead horse during this turn? Round \n" ); document.write( "to the nearest tenth of a foot per second. \n" ); document.write( "---------------------- \n" ); document.write( "Linear speed = r * angular speed (in radians) \n" ); document.write( " \n" ); document.write( "All exponents are 1, so it's proportional. \n" ); document.write( "24.4/202 = v/206.5 \n" ); document.write( "v = 206.5*24.4/202\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |