Physics

Problem

17 An object is shot vertically upward into the air with a positive initial velocity. Which of the following correctly describes the velocity and acceleration of the object at its maximum elevation?

	Velocity	Acceleration
(A) Positive		Positive
(B) Zero	Zero
(C) Negative	Negative
(D) Zero	Negative
(E) Positive	Negative

(A) Velocity: Positive, Acceleration: Positive (B) Velocity: Zero, Acceleration: Zero (C) Velocity: Negative, Acceleration: Negative (D) Velocity: Zero, Acceleration: Negative (E) Velocity: Positive, Acceleration: Negative

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