document.write( "Question 65892: The distance required for a car to stop is directly proportiional to the square of its velocity. If a car can stop in 112.5 meters at 15 kilometers per hour, how many meters are needed to stop at 25 kilometers per hour?\r
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document.write( "Answer Choices:\r
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document.write( "A 250.75
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document.write( "B 298.00
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document.write( "C 312.50
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document.write( "D 337.50 \n" );
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Algebra.Com's Answer #46657 by Nate(3500)![]() ![]() ![]() You can put this solution on YOUR website! distance required for stopping = d \n" ); document.write( "velocity = v \n" ); document.write( "~~~> \n" ); document.write( "(d)/(v^2) = d / v^2 \n" ); document.write( "(112.5) / (15)^2 = d / v^2 \n" ); document.write( "112.5 / 225 = d / 625 \n" ); document.write( "312.5 = d \n" ); document.write( "(C) \n" ); document.write( " |