Question: You drop two balls of equal diameter from the same height at the same time. Ball 1 is made of metal and has a greater

You drop two balls of equal diameter from the same height at the same time. Ball 1 is made of metal and has a greater mass than ball 2, which is made of wood. The upward force due to air resistance is the same for both balls.
(a) Is the drop time of ball 1 greater than, less than, or equal to the drop time of ball 2?
(b) Choose the best explanation from among the following:
I. The acceleration of gravity is the same for all objects, regardless of mass.
II. The more massive ball is harder to accelerate.
III. Air resistance has less effect on the more massive ball.

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