document.write( "Question 356559: Erika drives her car with an average velocity of 24 m/s toward the east. \r
\n" );
document.write( "\n" );
document.write( "a. How long will it take her to drive 560 km on a perfectly straight highway? \r
\n" );
document.write( "\n" );
document.write( "b. How much time would she save if she increased her average velocity to 26 m/s to the east? \n" );
document.write( "
Algebra.Com's Answer #254520 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 1 m/s = 3.6 km/h \n" ); document.write( "24m/s = 24*3.6 \n" ); document.write( "=86.4 km/h \n" ); document.write( "time = distance/speed \n" ); document.write( "560/86.4 \n" ); document.write( "= 6.48 hours \n" ); document.write( "... \n" ); document.write( "26m/s= 26*3.6=93.6 km/h \n" ); document.write( "560/93.6 \n" ); document.write( "= 5.98 hours \n" ); document.write( "... \n" ); document.write( "0.5 hours saved \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |