Question

Asked Jun 20, 2019

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A thin rod consists of two parts joined together. Two-fifths of it is silver and three-fifths is gold. The temperature decreases by 27 C°.

Δ*L*/(*L*_{0,Silver} + *L*_{0,Gold})

Determine the fractional decrease in the rod's length using the formula above, where *L*_{0,Silver} and *L*_{0,Gold} are the initial lengths of the silver and gold rods.

Step 1

The fractional decrease in length of the rod=∆L

The initial length of the silver rod=L_{0,silver}

The initial length of the gold rod= L_{0,gold}

The equation for fractional decrease in length is.

Step 2

The total decrease in length is equal to the sum of the decrease in length of both gold and silver rod.

Step 3

Write the expression for the decrease in length in terms of coefficient...

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