Question: When we represent directions in the x - y plane, we usually represent North and South by the positive and negative y directions respectively, and

When we represent directions in the x - y plane, we usually represent North and South by the positive and negative y directions respectively, and East and West by the positive and negative x directions respectively.

10 40 50 60 NE 300 310 320 330 340 350 0

So a trip of 20 km North can be represented as the vector (020). Similarly, a trip of 16km Northwest would be represented as the vector _____________

Then the vector that represents the combined motion of travelling 20 km North, followed by 16 km Northwest, followed by 7 km West would be exactly ____________

10 40 50 60 NE 300 310 320 330 340 350 0 MN E W SE 120 130 140 150 160 170 180 190 200 210 220 230 240 . S

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