document.write( "Question 1197005: The pilot of a jet transport brings the engines to full takeoff before releasing the brakes as the aircraft is standing on the runway. The jet thrust remains constant, and the aircraft has a near-constant acceleration of 0.4g. If the takeoff speed is 200 kph, calculate the distance s and time t from rest to takeoff.\r
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Algebra.Com's Answer #830061 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "The pilot of a jet transport brings the engines to full takeoff before releasing the brakes
\n" ); document.write( "as the aircraft is standing on the runway. The jet thrust remains constant, and the aircraft has
\n" ); document.write( "a near-constant acceleration of 0.4g. If the takeoff speed is 200 kph,
\n" ); document.write( "calculate the distance s and time t from rest to takeoff.
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document.write( "The acceleration of 0.4g has the value a = 0.4*10 = 4 m/s^2 = 0.004 km/s^2.\r\n" );
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document.write( "The takeoff speed of 200 kph is  v = \"200%2F3600\" m/s = \"1%2F18\" m/s = 0.056 km/s.\r\n" );
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document.write( "Time t to get the takeoff speed of v = 200 kph is\r\n" );
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document.write( "    t = \"v%2Fa\" = \"0.056%2F0.004\" = \"56%2F4\" = 19 seconds.    ANSWER\r\n" );
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document.write( "To find the distance, use the formula for rectilinear uniformly accelerated movement\r\n" );
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document.write( "    s = \"%28at%5E2%29%2F2\" = \"%284%2A19%5E2%29%2F2\" = 722 meters.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "The problem teaches you to use the values in consistent units, and to convert units to form, which is required by the formulas.\r
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