A student walks north in and then south in along the same straight path

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A student walks 600 m600\,\text{m} north in 5 min5\,\text{min} and then 600 m600\,\text{m} south in 10 min10\,\text{min} along the same straight path. What is the magnitude of his average velocity for the entire walk? (a) 1.33 m s−11.33\,\text{m\,s}^{-1} (b) 0.67 m s−10.67\,\text{m\,s}^{-1} (c) 0 m s−10\,\text{m\,s}^{-1} (d) 1.50 m s−11.50\,\text{m\,s}^{-1}

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