Question
Story #3: A robin flies 32m [S] to catch a worm and then flies 59m [N] back to its nest.What is the total displacement of the robin?
Solution
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Theodore
Elite ยท Tutor for 8 years
Answer
The robin's displacement is the straight-line distance between its starting point and ending point, taking direction into account. Since the robin flies south and then north, we can treat this as a one-dimensional problem.* **Southward flight:** -32 m (South is negative)* **Northward flight:** +59 m (North is positive)**Total Displacement:** -32 m + 59 m = 27 mSince the result is positive, the displacement is 27 m North.**Answer:** 27 m [N]