2) In the picture below ma starts out from rest 1.5m above the ground. The mass of m is 3kg and m2 is 2kg. How fast is m moving when it hits the ground?

explanation:

newton's third law, for every action there is an equal and opposite reaction.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

if i am correct, your answer choices are:

a. the temperature remains constant

b. the temperature increases at a constant rate

c. heat flows at a constant rate into the system

d. heat flows at a constant rate out of the system

e. no heat flows into or out of the system

if so, then the answer is e. no heat flows into or out of the system.