document.write( "Question 1123033: a cart is moving at a initial velocity of 2.0 m/s and accelerates at 3.3 m/s^2 for 33 m . how fast is it going at the end of the motion \n" ); document.write( "

Algebra.Com's Answer #739247 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "Let me apply the Energy conservation law.\r\n" );
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document.write( "The change of kinetic energy is   - .\r\n" );
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document.write( "The work of the force which provided the given acceleration \"a\", is  (ma)*d,\r\n" );
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document.write( "where d is the distance (of 33 m in your case).\r\n" );
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document.write( "So, the conservation of energy gives an equation\r\n" );
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document.write( "     -  = ma*d.\r\n" );
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document.write( "Cancel the mass \"m\" in both sides.  You will get\r\n" );
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document.write( "     -  = a*d.\r\n" );
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document.write( "Hence,   = ad + , \r\n" );
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document.write( "and finally\r\n" );
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document.write( "    V = .\r\n" );
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document.write( "Now substitute the given values into the formula and calculate the answer.\r\n" );
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\n" ); document.write( "\n" ); document.write( "It is, probably, the shortest way to solve the problem and to explain the solution.\r
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\n" ); document.write( "\n" ); document.write( "What is your textbook in Physics ?\r
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