Answer to Question #291318 in Physics for Freddy

Question #291318

A steel tape is calibrated at 20 degree Celsius on a day when the temperature is -15 degree Celsius.what will be the percentage error of the tape

Expert's answer

"\\epsilon_\\%=\\dfrac{L_0-\\Delta L}{L_0}\u00b7100\\%=\\alpha\\Delta T\u00b7100\\%,\\\\\\space\\\\\n\\epsilon_\\%=0.04\\%."

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