Explain why the distribution of speeds of molecules emerging through a small hole in an effusive molecular

Question:

Explain why the of speeds of molecules emerging through a small hole in an effusive molecular beam source is not a Maxwellian Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...