2800 square inches
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They will land at the same time because they have roughly the same surface area so friction acts on them equally. If you found my answer helpful, please click on the trust button below
Surface area of a sphere = 4*pi*radius2
Surface area of a ball or sphere = 4*pi*radius2
Surface area of the ball = 4*pi*342 = 4624*pi square mm
The bowling ball is harder to stop because it has a greater mass, and therefore a greater momentum. But the answer is that the bowling ball has a greater mass.