Oxygen and Helium gases are in same container. Which one has greater K.E. per molecules?

A light and a heavy body have equal momenta. Which one has greater K.E

Two bodies of unequal masses have same linear momentum. Which one has greater K.E. ?

Tow bodies of unequal masses have same K.E. Which one has greater linear momentum?

A light and a heavy body have same linear momentum. Which one has greater K.E.?

A light and a heavy body have equal momentum. Which one has greater K.E. ?

Equal mass of oxygen and helium gases are mixed in a container at 27°C Fraction of total pressure exerted by helium gas is

Two flask of equal volumes contains N_(2) and O_(2) gases at the same temperature and pressure. Which will have greater number of molecules?

Two flask of equal volumes contains N_(2) and O_(2) gases at the same temperatuer and pressure. Which will have greater number of molecules?