The atmosphere of the moon is made up
of what gases?
Hydrogen and helium
Oxygen and nitrogen
Carbon dioxide and oxygen
The moon has no atmosphere

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up