Asked by LISAA

A car travels 35 km west and 75 km north. what distance did it travel?
Answered by Ms. Sue
This looks like a straight addition problem.

What is YOUR answer?

Answered by LISAA
since they are not in opposite directions, i think we should add the two and end up getting 110. Is that correct?
Answered by Ms. Sue
Yes. The car traveled 110 km.

Answered by bobpursley
yes, distance is 110km. However, DISPLACEMENT is not 110km

displacement=sqrt(75^2+35^2)

and direction has to be specified with displacement.
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