A brass wire 1.8 m long at 27 °C is held taut with little tension between two rigid supports. If the wire is cooled to a temperature of –39 °C, what is the tension developed in the wire, if its diameter is 2.0 mm ? Co-efficient of linear expansion of brass =2.0×10-5 K-1; Young’s modulus of brass = 0.91×1011 Pa.

Q: The band in the figure below is stainless steel (coefficient of linear expansion 17.3 x 10-6c-1,…

A:

Q: A student foolishly attempts to stop a steel bar, of length L = 1 m and at a temperature of 20ºC,…

A: The objective of the question is to find the expression for the stress that each nail will need to…

Q: Using the principles of energy and conservation of energy, determine how the velocity of an object…

A:

Q: A simple pendulum consists of a ball connected to one end of a thin brass wire. The period of the…

A:

Q: Two metal bars are kept at the same temperature and are aligned with their nearer ends separated by…

A: Given: The initial distance of separation between the two metal bars, D=1 mm. The coefficient of…

Q: A spherical balloon filled with H₂ gas to a volume of 3.35x10-2 m³ at 17 °C is carefully lowered…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: The length of a 100 mm bar of metal increases by 0.3 mm when subjected to a temperature change of…

A: length of bar of metal (L) = 100 mm increase in length (∆L) = 0.3 mmincrease in temperature (∆T) =…

Q: By how much does the length of a 84 cm aluminium bar increase when the bar is heated from 15°C to…

A:

Q: A long roll of 2-m-wide and 0.5-cm-thick 1-Mn manganese steel plate (r = 7854 kg/m3 and cp = 0.434…

A: Assume that the kinetic and potential energy changes are negligible. The mass flow rate of steel…

Q: An aluminum rod is 12 cm long at 10o At the same condition, an iron rod is 12.02 cm in length. At…

A:

Q: A cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3.212 cm at 0…

A:

Q: A glass bottle has a capacity of exactly 500 ml at room temperature (20 degree Celsius). What is its…

A: Given : Vi=500 ml delta t=20

Q: A steel is 818 cm long at 20 °C. The coefficient of linear expansion for steel is 12 x 10-6 (Cº)-¹.…

A: Original length of steel(L0) =818 Cm Temperature Initial (Ti) =20°C Linear expansion of steel(Alph)…

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

A: Let ΔT be the temperature difference and L be the original length of the steel rod.

Q: A copper rod 17.4 cm long at 20°C is heated to 100°C. By what length did it expand? Copper has a…

A:

Q: An aluminum canteen is initially filled with 597 cm of water at 0.00 °C. If the cantcen is not…

A: Write the given values with suitable variables.

Q: What is the increase in length of steel that is 10 m long at 5.0oC when its temperature rises to…

A: Initial length = 30cm Initial temperature = 5.0o C Coefficient of linear expression (α) = 1.2 * 10-5…

Q: An icebox made of 1:5 cm thick styrofoam has dimensions 60 cm x 60 cm x 30 cm. It contains ice at…

A:

Q: A brass rod of length 50 cm and diameter 3.0 mm is joined to a steel rod of the same length and…

A: Given,

Q: A line is recorded as 472.90 m long. It is measured with a 0.65 kg tape which is 30.005 m long at…

A: Given: The recorded line value is 472.90 m The value includes 0.65Kg tape having the value is 30.005…

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

A: Given:  P = 150 W T1 = −1.00 ºC T2 = 37.0 ºC A =  2.00 m2  K = 0.2 W/m C

Q: The band in the figure below is stainless steel (coefficient of linear expansion = 17.3 ✕ 10−6°C−1;…

A:

Q: 7. When the temperature of a coin is raised by 79 °F, the coin's diameter increases by 2.40 × 10-…

A: Given  increase in temperature (∆T)=79° F= 79-32×59=26.111° C initial diameter (D)=1.75 x 10-2 m…

Q: A large steel wheel is to be fitted on to a shaft of the same material. At 29 °C, the outer diameter…

A: Convert the temperature of the outer diameter of the shaft to Kelvin.

Q: = At a temperature of 9°C, a 3-mm gap exists between two polymer bars and a rigid support, as shown…

A:

Q: You want to prevent a bowling ball with a diameter of 22.00 cm from being able to pass through a…

A: l2-l1=αl1Tf-Ti

Q: A student foolishly attempts to stop a steel bar, of length L = 1 m and at a temperature of 20ºC,…

A: The objective of the question is to find the stress that each nail will need to sustain at a…

Q: A piece of metal weighs 45 gms in air and 25 gms in a liquid of density 1.5 x 10°kg-m kept at 30°C.…

A:

Q: By how many degrees Celsius do you need to raise the temperature of a copper rod in order to…

A:

Q: An aluminium cup of 100 cm³ capacity is filled with glycerin at 23 °C. How much glycerin, if any,…

A:

Q: coefficient of expansion Celsius, determine the stress in the in the rod assuming the wall are…

A:

Q: At 40°C, a brass wire of 1 mm radius is hung from the ceiling. A small mass M is hung from the free…

A: A metal wire with a 1 mm radius is known to be suspended from the ceiling at 40oC.A tiny mass M is…