Deriving the Value of an Exponent

Thread starter UMich1344
Start date Nov 4, 2007
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deriving Exponent Value

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UMich1344

Thread starter
Nov 4, 2007

Homework Statement

Suppose we lived in a matter-dominated, critical-density universe. The matter density rho of such a universe changes with time t as a power of t. Derive the value of the exponent n in the following equation:

Homework Equations

rho = At^n

where A = constant

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Sourabh N

Nov 4, 2007

Show your attempt first.

Deriving the Value of an Exponent

Homework Statement

Homework Equations

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