Object A moves at 40 m / sec and body B moves in the same direction (east) and direction at 80 m / sec. What is the relative velocity in m / s if the observer is a body B? A) 120 m / sec West B) 20 m / sec East C) 40 m / sec East D) 120 m / sec East E) 40 m / sec West

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Projectile Motion