Boltzmann's constant is 1.380661023 J/K. Avogadro's number is 6.02214 1023 /mol.
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# Hey, I have a two part question for APY2 Physics that keeps stumping me, and I would really appreciate some

help.

Boltzmann's constant is 1.38066×10−23 J/K. Avogadro's number is 6.02214 × 1023 /mol.

a) Determine the temperature at which the rms speed of an He atom equals 660 m/s. Answer in units of K. 009

b) What is the rms speed of He on the surface of a certain star, where the temperature is 5702 K? Answer in units of m/s.

Here is the solution... View the full answer

a) T = 69.90 K b) v = 5961... View the full answer

Question (1) Determine the temperature at which the rms speed of an He atom equals 660 m/s. K = 3kT/2 = mv^2/2 3kT =... View the full answer

1)We know kinetic energy is... View the full answer

a) T = 69.89 K... View the full answer

a. The temperature is 69854.1 K. b. The rms speed of He is 188.5 m/s Solution First determine the atomic mass of Helium from... View the full answer

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