A student jogs east in

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A student jogs 150 m150\,\text{m} east in 30 s30\,\text{s}, then 200 m200\,\text{m} north in 40 s40\,\text{s}, and finally 150 m150\,\text{m} west in 30 s30\,\text{s}. What is the magnitude of the average velocity for the entire 100 s100\,\text{s} journey? (a) 3.6 m/s3.6\,\text{m/s} (b) 0 m/s0\,\text{m/s} (c) 2 m/s2\,\text{m/s} (d) 5 m/s5\,\text{m/s}

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