Physics
The average kinetic energy of the molecules of an ideal gas is directly proportional to

Mass of Molecules
Temperature of environment
Absolute temperature of the gas
Velocity of Molecules

ANSWER DOWNLOAD EXAMIANS APP

Physics
A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that

The metal ball suffers greater change in momentum
Both suffer the same change in momentum
The initial momentum of the rubber ball is greater than that of the metal ball
The rubber ball suffers greater change in momentum

ANSWER DOWNLOAD EXAMIANS APP