document.write( "Question 1185807: A car travels from Sydney to Newcastle and back to Sydney of a total of 310km in 4.0h. The average speed to travel from Sydney to Newcastle is 80km/h.
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Algebra.Com's Answer #816665 by greenestamps(13203)\"\" \"About 
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\n" ); document.write( "The car ended up where it started; its average velocity is 0.

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