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*The primary and secondary mirrors of a space telescope are assembled using zerodur spacers in an engineering laboratory in which the room temperature is 20 °C. In space the telescope will drop to -30 °C. If the distance between the mirrors is exactly 80 cm in the lal how much would the length of the zerodur spacer change in space? The properties of the material Zerodur can be found in the following table. Properties of Zerodur Coefficient of Thermal Specific Heat Expansion 2 x 10-8 [K-¹] 3347.20 [J/kg/K] Zerodur 50⁰ 50⁰ 80 c

*The primary and secondary mirrors of a space telescope are assembled using zerodur spacers in an engineering laboratory in which the room temperature is 20 °C. In space the telescope will drop to -30 °C. If the distance between the mirrors is exactly 80 cm in the lal how much would the length of the zerodur spacer change in space? The properties of the material Zerodur can be found in the following table. Properties of Zerodur Coefficient of Thermal Specific Heat Expansion 2 x 10-8 [K-¹] 3347.20 [J/kg/K] Zerodur 50⁰ 50⁰ 80 c

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*The primary and secondary mirrors of a space telescope are assembled using zerodur spacers in an engineering laboratory in which the room temperature is 20 °C. In space the telescope will drop to -30 °C. If the distance between the mirrors is exactly 80 cm in the lab, how much would the length of the zerodur spacer change in space? The properties of the material Zerodur can be found in the following table. Properties of Zerodur Coefficient of Thermal Specific Heat Expansion 2 x 10-8 [K-¹] 3347.20 [J/kg/K] Zerodur 50⁰ 50⁰ 80 cm
Transcribed Image Text:*The primary and secondary mirrors of a space telescope are assembled using zerodur spacers in an engineering laboratory in which the room temperature is 20 °C. In space the telescope will drop to -30 °C. If the distance between the mirrors is exactly 80 cm in the lab, how much would the length of the zerodur spacer change in space? The properties of the material Zerodur can be found in the following table. Properties of Zerodur Coefficient of Thermal Specific Heat Expansion 2 x 10-8 [K-¹] 3347.20 [J/kg/K] Zerodur 50⁰ 50⁰ 80 cm
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