document.write( "Question 1056860: A potential function is given by U(x) = 15 x^2. What will be the acceleration (in meters/second ^2) of a 2.00 kg mass, when it is at the position x = 0.300 m?
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Algebra.Com's Answer #671972 by ikleyn(52794) $\"\"$ $\"About$

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\n" ); document.write( "A potential function is given by U(x) = 15 x^2. What will be the acceleration (in meters/second ^2) of a 2.00 kg mass,
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document.write( "In a potential field U(x) the force acting to the mass \"m\" is\r\n" );
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document.write( "F = .\r\n" );
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document.write( "In our case this force is F = -m*(30x) = -30mx.\r\n" );
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document.write( "Hence, the acceleration is\r\n" );
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document.write( "a =  = -30x.\r\n" );
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document.write( "Substitute your data:\r\n" );
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document.write( "a = -30*0.300 = -9 .\r\n" );
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document.write( "The sign \"-\" means that the force and the acceleration are directed to the origin of the coordinate system.\r\n" );
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