A particle initially at moves to on the same straight line

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

Problem

A particle initially at x=+ax=+a moves to x=−2ax=-2a on the same straight line. Its displacement expressed in terms of aa is (a) +3a+3a (b) −a-a (c) −3a-3a (d) +a+a

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