A Cooper telephone wire has essentially no sag between poles 68m apart on winter day when the temperature is -20C. How much longer is the wire on a summer day when the temperature is 30.0C? Coefficient of linear expansion for copper is 1.70*10^5

Q: The height of the Washington Monument is measured to be 170 m on a day when the temperature is 35oC.…

A: The change in temperature is, ∆T=Tf-Ti∆T=-10.0°C-35.0°C∆T=-45.0°C

Q: A copper telephone wire has essentially no sag between poles 36.0 m apart on a winter day when the…

A: Thermal expansion:  Δl = αlΔT, α = coefficient of linear expansion. ΔT=change in temperature…

Q: Two metal rods, steel and brass, are both 5.55 m long at the 20.00°C. The coefficient of length…

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Q: A perfectly insulating cylindrical glass is partially full of water. At the top of the water is a…

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Q: A copper bar is 1.00 m long at 20 degrees Celsius. At what temperature will it be shorter by 1.0 mm?…

A: Given Length of the copper bar is L=1.00 m Initial temperature is ti=20°C Change in length of the…

Q: A copper rod is 8 m long at 20°C and has a coefficient of linear expansion a = 17 x 10-6 (C°)-!.What…

A: Given data: Initial length of the copper rod is, L1 = 8 m Initial temperature of the copper rode is,…

Q: An insulated copper beaker of mass 0.5 Kg contains 0.25 Kg of water at 750 You add x Kg of Ice at…

A: mass of beaker = 0.5 Kg Mass of water = 0.25 kg Temperature of beaker and water = 75 degree Final…

Q: A copper wire has essentially no sag between poles 50 m apart on a winter day when the temperature…

A: To determine: The length of the copper wire on a summer day.   Given: length of the poles, l=50 m…

Q: How large an expansion gap should be left between steel railroad rails if they reach a maximum…

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Q: Consider a steel girder, such as the kind that forms the skeleton of a skyscraper, at a temperature…

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Q: A steel beam used in the construction of a brídge is 9.2 m long at 20 °C. On a hot summer day, the…

A: Given data α=11×10-6/°cL=9.2 m∆T=40-20°c=20°c

Q: An aluminum mast whose cross-section area is 7.20 in2 is 60 long at 60 oF. (a) By how much does it…

A: Hai, since there are multiple questions posted, we will answer the first question. (a) The initial…

Q: 15. ssm When the temperature of a coin is raised by 75 C°, the coin's diamcter increases by 2.3 ×…

A: Given quantities: original diameter of the coin (L) = 1.8 × 10-2 m increase in diameter of the coin…

Q: A steel rod used in construction is 120 m long when the temperature is 20oC. How long is the rod…

A: Given, at temperature T1 = 20 degree, L = 120 m  At T2 = -45 degree , L =?  And dT = -65 degree  Co…

Q: Is it possible to maintain a pressure of 10 kPa in a condenser that is being cooled by river water…

A: The pressure at saturation temperature is,

Q: A metal rod 50.0 cm long at 25.0 degrees C is heated to 75.0 degrees C the length of the rod is then…

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Q: A copper telephone wire has essentially no sag between poles 35.0 m apart on a winter day when the…

A: Given: Length of copper telephone wire in winter, Lw = 35 m Temperature in winter Tw = 22.0 ℃ Summer…

Q: A steel bridge, considered as a 1D object, is 800 m long at room temperature (25 ̊C). If the coldest…

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Q: A walrus transfers energy by conduction through its blubber at the rate of 150 W when immersed in…

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Q: Hydrogen molecules, with a molar mass of 2.016 g/mol, in a certain gas have an rms speed of 355 m/s.…

A: Formula to calculate root-mean-square speed is -  Where  V = Speed  k = Boltzmann constant =  m =…

Q: At 10°C the inside diameter of the aluminum ring is 4.00cm and the diameter of the steel rod is…

A: The ring must be heated For simplicity let us assume that the rings cut and unrolled then it would…

Q: You’re heating a 2.0 m gold bar, coefficient of linear expansion 1.4 × 10–5 °C–1,raising its…

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Q: A hot-air balloon has a volume of 0.96 m3 at 291 K. To what temperature (in °C) must it be heated to…

A: Since the pressure is constant, so according to Charles’s law, Here,  V, T and C represent the…

Q: If you have 4 moles of a diatomic ideal gas (such as oxygen or nitrogen), how much heat is required…

A: no. of moles of gas n=4 molesInitial temperatureTi=269.5KFinal tempweratureTf=288.3Kgiven that it is…

Q: A steel bridge is 1000 m long at -20°C in winter. What is the change in length when the temperature…

A: L= length = 1000 m T = Temperature difference = 40 - [-20] = 60 = coefficient of thermal expansion…

Q: Liquid helium has a very low boiling point, 4.2 K, as well as a very low latent heat of…

A: Amount of heat required to boil is

Q: A copper rod is 8 m long at 20 °C and has a coefficient of linear expansion a = 17 x 10-6…

A: According to guidline , we need to solve only first question.. Given that --- l1 = 8 m delta T =…

Q: 2. (a) A wire that is 1.50m long 20°C is found to increase its length by 1.9cm when warmed to 420⁰…

A: Given: The initial length of the wire is 1.5 m. The initial temperature is 20oC. The increment in…

Q: A steel beam is used in the construction of a skyscraper. By what fraction ΔL/L0 does the length of…

A: Temperature on a cold winter day, T1=4.20C Temperature on a summer day, T2=25.70C Linear expansion…

Q: You’re heating a 1.5 m copper bar, coefficient of linear expansion 1.7 ×10–5 °C–1, raising its…

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Q: 15. ssm When the temperature of a coin is raised by 75 C°, the coin's diameter increases by 2.3 ×…

A: ∆R=2.3×10-5 mR=1.8×10-2 m∆T=75°C∆R=Rα∆Tα=∆RR∆T=2.3×10-51.8×10-2×75=0.017×10-3 =1.17×10-5 /°F

Q: If you have 6 moles of a diatomic ideal gas (such as oxygen or nitrogen), how much heat is required…

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Q: . Chances of a bronze diameter (cmn 10) at a temperature (150), at what temperature does the…

A: We have given Ti=150o C Ri =Di/2 initially Ri= Di/2=10/2=5 cm Initially area = π* Ri2  =π*(5)2 =25π…

Q: A steel is 20cm long at 20 oC. The coefficient of linear expansion for steel is 12 x 10-6 (oC)^-1…

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Q: Steel wire of length L' at 40°C is suspended from the ceiling and then a mass 'm' is hung from its…

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Q: A glass rod is 50 cm long and 0.020 m in diameter. The coefficient of linear expansion of the rod is…

A: Given data: Original Length (L0 ) = 50 cm = 0.50 m Coefficient of linear expansion (α) = 9.0×10-6…