A Particle Starts from Rest at X_i = 0 and Moves

question 47

Multiple Choice

A particle starts from rest at x_i = 0 and moves for 10 s with an acceleration of +2.0 cm/s². For the next 20 s, the acceleration of the particle is −1.0 cm/s². What is the position of the particle at the end of this motion?

• A) zero
• B) +3.0 m
• C) −1.0 m
• D) +2.0 m
• E) −3.0 m

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