Recent content by marbille9

30km N is the resultant vector. But I don't kow how to find the displacement on the third day.

Homework Statement After three days of hiking, a group of hikers are 30km N from their starting position. On the first day, they hiked 20km E. On the second day, they hiked 30km 53 degrees N of W, calculate their displacement on the third day. Homework Equations I haven't a single clue...