document.write( "Question 1197727: jA car accelerated from 25 km/hr to 55 km/hr in 30 seconds. What is its acceleration? \n" ); document.write( "

Algebra.Com's Answer #831114 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "A car accelerated from 25 km/hr to 55 km/hr in 30 seconds. What is its acceleration?
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document.write( "By the definition, an acceleration is the change of speed related to the change of time\r\n" );
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document.write( "    a =  = 30*120 = 3600 km/hr^2.\r\n" );
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document.write( "Here 1/120 represents 30 seconds, that comprise  1/120 of an hour.\r\n" );
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