A boat moves east in and then north in

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

Problem

A boat moves 150 m150\,\text{m} east in 30 s30\,\text{s} and then 200 m200\,\text{m} north in 40 s40\,\text{s}. Calculate the magnitude of the boat’s average velocity for the entire journey. (a) 5.0 m/s5.0\text{ m/s} (b) 7.1 m/s7.1\text{ m/s} (c) 3.6 m/s3.6\text{ m/s} (d) 2.1 m/s2.1\text{ m/s}

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