document.write( "Question 1196741: How long does it take a car to cross a 30.0 m wide intersection after the light turns green , If the car accelerates from rest at a constant of 2.00 m/s^2? \r
\n" ); document.write( "\n" ); document.write( "A car starts from rest and accelerates uniformly over a time of 5.21 s for a distance of 110 m .determine the acceleration of the car. \n" ); document.write( "

Algebra.Com's Answer #829722 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "(a) How long does it take a car to cross a 30.0 m wide intersection after the light turns green ,
\n" ); document.write( "If the car accelerates from rest at a constant of 2.00 m/s^2?
\n" ); document.write( "(b) A car starts from rest and accelerates uniformly over a time of 5.21 s
\n" ); document.write( "for a distance of 110 m .determine the acceleration of the car.
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document.write( "(a) Use the formula for a distance at uniformly accelerated rectilinear movement\r\n" );
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document.write( "        D = ,     (1)\r\n" );
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document.write( "where D is the traveled distance, \"a\" is the acceleration, t is the time.\r\n" );
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document.write( "Substitute given values into the formula D = 30 m, a = 2.00 m/s^2\r\n" );
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document.write( "      30 = .\r\n" );
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document.write( "You have an equation for time t. Express t\r\n" );
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document.write( "    t^2 =  = 30;  t =  = 5.48 seconds.\r\n" );
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document.write( "ANSWER.  5.48 seconds.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solve your second problem similarly, starting from the same formula (1).\r
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\n" ); document.write( "\n" ); document.write( "Or post your second problem separately.\r
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\n" ); document.write( "\n" ); document.write( "Never pack more than problem per post. It is a rule of this forum.\r
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