document.write( "Question 875502: a car travels certain distance at a speed of 30 km/h and returns with a speed of 10 m/s .calculate the average speed of the car . \n" ); document.write( "

Algebra.Com's Answer #528228 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Convert to the same units and take the average.
\n" ); document.write( " $\"30\"$ $\"km%2Fhr\"$ * $\"1000\"$ $\"m%2Fkm\"$ * $\"1%2F3600\"$ $\"hr%2Fsec\"$ = $\"25%2F3\"$ $\"m%2Fs\"$
\n" ); document.write( " $\"V=%2825%2F3%2B10%29%2F2\"$
\n" ); document.write( " $\"V=%2825%2F3%2B30%2F3%29%2F2\"$
\n" ); document.write( " $\"V=55%2F6\"$ $\"m%2Fs\"$ \n" ); document.write( "

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