document.write( "Question 1031640: A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration of 5m/s2, after 4s he enters the main speedway. At the same instant, another car on the speedway travelling at a constant velocity of 75m/s overtakes and passes the entering car. The entering car maintains its acceleration. How much time is required for the entering car to catch the other car?\r
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Algebra.Com's Answer #646329 by ikleyn(52787)\"\" \"About 
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\n" ); document.write( "A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration
\n" ); document.write( "of 5m/s2, after 4s he enters the main speedway. At the same instant, another car on the speedway travelling at a constant velocity
\n" ); document.write( "of 75m/s overtakes and passes the entering car. The entering car maintains its acceleration. How much time is required for the
\n" ); document.write( "entering car to catch the other car?\r
\n" ); document.write( "\n" ); document.write( "Please help I have tried everything of my knowledge, but I just can't get it right. Thank you in advance.
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document.write( "Your equation is \r\n" );
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document.write( "75*t = \"%285%2F2%29%2At%5E2+%2B+20%2At\".   (1)\r\n" );
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document.write( "The left side is the distance covered for t seconds by the car moving uniformly with the speed of 75 \"m%2Fs\". \r\n" );
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document.write( "The right side is the distance covered for t seconds by the car moving with the constant acceleration 5 \"m%2Fs%5E2\" with the initial speed of 20 \"m%2Fs\" = 4 s * 5 \"m%2Fs%5E2\". \r\n" );
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document.write( "Speed of 20 \"m%2Fs\" is the entering speed for the first car.\r\n" );
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document.write( "Solve (1) for t.\r\n" );
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