An animation is being created with a thousand tennis balls falling out of a truck, bouncing off the ground and each other. The animator wants to make the scene realistic but also wants to be efficient in the program. Which of these characteristics could be ignored when establishing boundary conditions for the system?
A. Newton’s laws of motion.
B. Aerodynamic properties
C. The diameter of the tennis balls
D. Gravitational forces

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  1. The correct answer was B.

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  2. thx

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