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## Homework Statement

What, roughly, is the percent uncertainty in the volume of a spherical beach ball whose radius is r=5.60±0.05m?

## Homework Equations

∏r^2

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- Thread starter eddiedowen
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What, roughly, is the percent uncertainty in the volume of a spherical beach ball whose radius is r=5.60±0.05m?

∏r^2

- #2

SteamKing

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Are you sure that pi*r^2 is the volume of a sphere?

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- #4

SteamKing

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Obviously, you could compare the volumes of a ball where the radii are 0.05 m greater or less than a radius of 5.60 m, which is more of a beach balloon. Are you sure the radius of the ball is 5.6 m?

Or, you could take the cool approach using calculus.

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HallsofIvy

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HallsofIvy

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Accidental double post.

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