document.write( "Question 1137141: The kinetic energy K of a moving object varies jointly with its mass m and the square of its velocity v. If an object weighing 40 kilograms with a velocity of 15 meters per second has a kinetic energy of 1000 joules, what is the kinetic energy if the velocity is increased to 20 meters per second?\r
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Algebra.Com's Answer #754979 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "This post consists of three sentences.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The first sentence\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " \"The kinetic energy K of a moving object varies jointly with its mass m and the square of its velocity v.\"\r\n" ); document.write( "is correct and makes sense.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The second sentence\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " \"If an object weighing 40 kilograms with a velocity of 15 meters per second has a kinetic energy of 1000 joules\"\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "is totally wrong, since the described object under the described condition has kinetic energy NOT 1000 joules, \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "but E = \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is clear from the post that its author is absolutely not familiar with the subject.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |