Posted by jony on Tuesday, August 21, 2012 at 11:57am.
Ann drove to the store 10 km north of her house and then drove to the library, which is 5 km south of the store. She drove a total distance of 15 km. What was Ann's displacement?

science  Steve, Tuesday, August 21, 2012 at 1:19pm
d = 10  5 = 5km
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