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physics

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A square plate made of copper has a length of 4.253 m on a side, at 15.00 degrees Celsius. A hole is drilled in the plate, the diameter of which is 1.750 m. The plate is heated to 177.00 degrees Celsius. Assume that alpha= 16.8* 10^-6 for copper.

A) calculate the length of a side of the plate at 177.00 degrees Celsius.
B) calculate the new diameter of the hole.

  • physics -

    deltaL=coefficient*L*tempchange.

  • physics -

    Do I use the same formula for both A and B?

  • physics -

    aw

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