# Physical Science

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What is the length of an aluminum rod at 65 degress celcius if its length at 15 degrees celcius is 1.2 meters?

Finallength-initiallength=coefficentlinearexpansion*(65-15).

You can get the coefficent of linear expansion for aluminum from your text or a handbook.

I don't understand, can someone else help me? Thank You.

what happens when a negatively charged object and a positively charged object are brought together

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