A Spherical Shell and a Solid Sphere (Both of the Same

question 19

Multiple Choice

A spherical shell and a solid sphere (both of the same total mass) are rotating about a diameter at the same angular frequency and with the same rotational kinetic energy.What is the ratio of the spherical shell radius to the solid sphere (i.e.,R_{spherical shell}/R_{solid sphere}) ?

• A)(2/5)^1/2
• B)(3/10)^1/2
• C)(1/2)^1/2
• D)(3/5)^1/2
• E)(2/3)^1/2

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Definitions:

Modified Duration

A measure of the sensitivity of a bond's price to changes in interest rates, indicating the percentage change in price for a one percent change in yield.

Yield To Maturity

The total return anticipated on a bond if it is held until its maturity date.

Semiannually

A term indicating that an event or action occurs twice a year.

Capital Gain

The profit earned from the sale of an asset when its selling price exceeds its purchase price.