College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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- A) what is the diameter of the bore when the engine operates at 129°C? (4 sig fig) B) at what temperature is the diameter of the hole equal to 95.85mm? (2 sig fig)arrow_forwardAn aluminum measuring rod, which is correct at 5oC, measures a certain distance as 97.46 cm at 51oC. What is the correct length of the steel at the elevated temperature, give a coefficient of linear expansion for the aluminum rod of 22 x 10-6 oC-1. Express your answer in cm rounded to two decimal places (X.XX).arrow_forward1.5 The table below lists the observed values of the pressure P of a gas in a constant-volume gas thermometer at an unknown temperature and at the triple point of water as the mass of gas used is reduced. P (torr) 100 200 300 400 P (torr) 127.9 256.5 385.8 516 By considering the limit Pan (P/P) determine 7 to two decimal places. What is this in °C? (1 torr is a pressure of 1 mm of Hg).arrow_forward
- By what length will a slab of concrete that is originally 18.4 m long contract when the temperature drops from 28.2°C to -8.68°C? The coefficient of linear thermal expansion for this concrete is 1.0 × 10-5 K-1. Give your answer in cm.arrow_forwardIn an air conditioner, 12.65 MJ of heat transfer occurs from a cold environment in 1.00 h. (a) What mass of ice melting would involve the same heat transfer? (b) How many hours of operation would be equivalent to melting 900 kg ofice? (c) If ice costs 20 cents per kg, do you think the air conditioner could be operated more cheaply than by simply using ice? Describe in detail how you evaluate the relative costs.arrow_forwardA steel bar and brass bar have the exact same length of 1.8000 m at -15.00 deg C. The coefficient of linear expansion for steel is 1.2x10^-5 per deg C, the coefficient of linear expansion for copper is 2x10^-5 per Deg C. What is the difference in length between the two bars if the temp increases to 40 deg C? Express in mm.arrow_forward
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- An iron rod with an initial length of 13.65 m has its temperature raise from 10°C to 31.74°C. If an iron has a coefficient of thermal expansion of 12 times Fr..10 to 6th power 1/Celsius what is the changing in the length of the rod?arrow_forwardThermal energy is added to 180 g of water at a constant rate for3.5 min, resulting in an increase in temperature of 12 C°. What isthe heating rate, in joules per second?arrow_forwardA bubble of air is rising from the sea floor, from a depth of about 500 m. At this depth the pressure is 5.1*106 Pa (about 50.3 atm) and is at a temperature of about 7.0° C. It rises to the surface with the atmosphere, at a temperature of 20° C. If the bubble is observed to have a volume of 4 cm³ at the surface, what was its volume at the sea floor? Assume the number of moles of gas in the bubble is constant. B.arrow_forward
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