A boy walks east in and then west in

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A boy walks 120 m120\,\text{m} east in 2 min2\,\text{min} and then 80 m80\,\text{m} west in 1 min1\,\text{min}. Calculate: (i) the total distance travelled, (ii) the magnitude of the total displacement, (iii) his average speed, and (iv) the magnitude of his average velocity.

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