A Cylindrical Container for Storing Radioactive Waste Is to Be

question 177

Multiple Choice

A cylindrical container for storing radioactive waste is to be constructed from lead and have a thickness of 6 in.(see the figure) .If the volume of the outside cylinder is to be , find the radius and the height of the inside cylinder that will result in a container of maximum storage capacity. Hint: Show that the storage capacity (inside volume) is given by

• A)r = ft.; h = 2 ft.
• B)r = ft.; h = 3 ft.
• C)r = ft.; h = 2 ft.
• D)r = ft.; h = 3 ft.

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