Which phrase correctly describes temperature? a. average rotational kinetic energy of the particles in an object b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object d. all energy possessed by the particles in an object

At a given temperature, a system of particles can be considered as point masses (m) each moving at a certain translational velocity (v). The motion of these particles can be defined in terms of their average translational kinetic energy which is responsible for the heat transfer during molecular collisions and therefore the temperature of the system.

The kinetic temperature T is given in terms of the average translational kinetic energy as:

T  = 2/3k(Kinetic energy)

T = 2/3k(1/2*m*v²)

where K = Boltzmann constant

Ans: C) Average translational kinetic energy

C. Average translational kinetic energy of the particles in an object

Explanation:

Kinetic energy is the energy of motion and any moving object has kinetic energy because it’s moving.  Translational kinetic energy is a type of kinetic energy that is produced when an object has from moving from one location to another.

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