An iron bar has original dimensions of 10 m× 2 cm × 2 cm. What is the amount of heat (Q) required to increase its length by 0.2 cm? Given: The density of copper is 7870 kg/m³, the specific heat is 449 J/kg K, and the linear expansion coefficient is 12 x 106 K1 . Hint: Watch the assigned Clutch Prep video for PCQ-2! А. 17 kJ В. 31.5 kg C. 240 kJ D. 1.8 kJ

An iron bar has original dimensions of 10 m× 2 cm × 2 cm. What is the amount of heat (Q) required to increase its length by 0.2 cm? Given: The density of copper is 7870 kg/m³, the specific heat is 449 J/kg K, and the linear expansion coefficient is 12 x 106 K1 . Hint: Watch the assigned Clutch Prep video for PCQ-2! А. 17 kJ В. 31.5 kg C. 240 kJ D. 1.8 kJ

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 56P: (a) If the partial pressure of water vapor is 8.05 torr, what is the dew point? (760 torr = I atm...

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(a) If the partial pressure of water vapor is 8.05 torr, what is the dew point? (760 torr = I atm 101, 325 Pa) (b) On a warn day when the air temperature is 35 and the dew point is 25 , what are the partial of the water in the air and the relative humidity?
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