The coefficient of linear expansion for polycarbonate is 70.2 x 10-6 C-1. Suppose Mary would like to design an emergency overheating alarm using one of these materials. her design, at room temperature 23.0 °C, an 8.76 cm long cylinder of the material will sit with one end against a wall and the other just barely touching a button. Once the heat causes the cylinder to lengthen by 0.0258 cm, the button will be activated, turning on the alarm. At what temperature will the alarm be triggered if the cylinder is made out of polycarbonate? temperature:

Principles of Physics: A Calculus-Based Text
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Chapter16: Temperature And The Kinetic Theory Of Gases
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The coefficient of linear expansion for polycarbonate is 70.2 x 10-6 C-1.
Suppose Mary would like to design an emergency overheating alarm using one of these materials. In her design, at
room temperature 23.0 °C, an 8.76 cm long cylinder of the material will sit with one end against a wall and the
other just barely touching a button. Once the heat causes the cylinder to lengthen by 0.0258 cm, the button will be
activated, turning on the alarm.
At what temperature will the alarm be triggered if the cylinder is made out of polycarbonate?
temperature:
O 65.0°C
O 521 °C
O 19.0°C
O 23 °C
O 12 °C
Transcribed Image Text:The coefficient of linear expansion for polycarbonate is 70.2 x 10-6 C-1. Suppose Mary would like to design an emergency overheating alarm using one of these materials. In her design, at room temperature 23.0 °C, an 8.76 cm long cylinder of the material will sit with one end against a wall and the other just barely touching a button. Once the heat causes the cylinder to lengthen by 0.0258 cm, the button will be activated, turning on the alarm. At what temperature will the alarm be triggered if the cylinder is made out of polycarbonate? temperature: O 65.0°C O 521 °C O 19.0°C O 23 °C O 12 °C
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