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The thermal stress equation used to calculate stress induced in a material due to temperature changes is given by:

ET

where: thermal stress E Young's modulus of the material coefficient of thermal expansion T change in temperature

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4mo ago

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What are the key heat formulas in physics and how are they used to calculate heat transfer and temperature changes in various systems?

The key heat formulas in physics are the heat transfer equation, the specific heat capacity equation, and the thermal energy equation. These formulas are used to calculate heat transfer and temperature changes in various systems by taking into account factors such as the amount of heat transferred, the specific heat capacity of the material, and the initial and final temperatures of the system.


What does the resistance vs temperature graph show for the given material?

The resistance vs temperature graph shows how the resistance of the material changes as the temperature increases. It helps to understand the material's behavior in response to temperature changes.


How does a thenometre work?

A thermometer works by measuring temperature using a material that expands or contracts with changes in temperature. This material is usually mercury or alcohol sealed in a glass tube. As the temperature changes, the liquid expands and rises in the tube, providing a visual indication of the temperature.


What is the thermal stress formula used to calculate the impact of temperature changes on materials?

The thermal stress formula used to calculate the impact of temperature changes on materials is: E T where: is the thermal stress is the coefficient of thermal expansion E is the modulus of elasticity T is the change in temperature


What is the delta U equation and how is it used to calculate changes in internal energy?

The delta U equation is U Q - W, where U represents the change in internal energy, Q is the heat added to or removed from the system, and W is the work done by or on the system. This equation is used to calculate changes in internal energy by considering the heat transferred to the system and the work done on or by the system.

Related Questions

What are the key heat formulas in physics and how are they used to calculate heat transfer and temperature changes in various systems?

The key heat formulas in physics are the heat transfer equation, the specific heat capacity equation, and the thermal energy equation. These formulas are used to calculate heat transfer and temperature changes in various systems by taking into account factors such as the amount of heat transferred, the specific heat capacity of the material, and the initial and final temperatures of the system.


How can one calculate the equilibrium constant with temperature?

To calculate the equilibrium constant with temperature, you can use the Van 't Hoff equation, which relates the equilibrium constant to temperature changes. The equation is: ln(K2/K1) -H/R (1/T2 - 1/T1), where K is the equilibrium constant, H is the enthalpy change, R is the gas constant, and T is the temperature in Kelvin. By rearranging the equation and plugging in the known values, you can calculate the equilibrium constant at a specific temperature.


What does the resistance vs temperature graph show for the given material?

The resistance vs temperature graph shows how the resistance of the material changes as the temperature increases. It helps to understand the material's behavior in response to temperature changes.


What is the rackett equation?

The Rackett equation is used to predict the density of a pure liquid vs temperature based on its critical properties. One density value is required to calculate the Rackett constant in the equation, then the critical properties Tc, Vc, and Pc are used to estimate new density values as the temperature changes.


How does a thermometer indicate the temperature of an object?

A thermometer measures temperature by using a material that expands or contracts with changes in temperature. This material is usually mercury or alcohol. As the temperature of the object being measured changes, the material in the thermometer expands or contracts, causing the level to rise or fall on a scale, indicating the temperature.


How do you calculate the boiling point of water at different pressures?

The boiling point of water changes with pressure. To calculate it, you can use the Clausius-Clapeyron equation, which relates temperature and pressure. By plugging in the known values, you can determine the boiling point at different pressures.


What is a material's boiling point?

It is the temperature where a liquid changes to a gas.


What is plateau temperature?

Plateau temperature is the temperature range in a phase transition at which a material remains stable despite changes in temperature. It is often observed in materials like polymers and can be an important property in various applications like material processing and design. At the plateau temperature, the material undergoes structural changes without a significant rise in temperature.


How does a thenometre work?

A thermometer works by measuring temperature using a material that expands or contracts with changes in temperature. This material is usually mercury or alcohol sealed in a glass tube. As the temperature changes, the liquid expands and rises in the tube, providing a visual indication of the temperature.


How do you use the Van't Hoff equation?

well the equation says that p*v=n*R*T where p is the osmotic pressure, R is the universal gas constant and T is the absolute temperature and n is the number of moles, substituting the values you can find the desired values if you need to calculate n then, n= (molecular mass of the substance){say M}/(mass of the the solute){say w} by substituting we get M=(W*R*T)/(p*v) again you can calculate the desired value


What is the temperature coefficient of resistance?

The temperature coefficient of resistance is a number used to predict how the resistance of a material changes with changes in temperature. Typically the units are either resistance per temperature or 1/temperature depending on which equation is used for the calculations. For example, in copper the temperature coefficient of resistance is about 0.0039 per change in degrees Celsius. A positive temperature coefficient of resistance means that the resistance of the material will increase as temperature increases. As per the equation or say unit of resistance temperature coefficient, its definition can be given as below: " Rise in temperature per unit initial resistance, when temperature is raised by one degree Celsius is called the resistance temperature coefficient."


What is the significance of the van't Hoff plot equation in determining the thermodynamic parameters of a chemical reaction?

The van't Hoff plot equation is important in determining the thermodynamic parameters of a chemical reaction because it allows us to calculate the enthalpy and entropy changes of the reaction using temperature-dependent data. This equation helps us understand the energy changes and spontaneity of a reaction, providing valuable insights into its feasibility and direction.