Answer:
The kinetic energy is increasing as potential energy is converted.
Explanation:
This is true. Gravity is constantly pulling on anything and everything (even light!), no matter how far away it is from another object.
Answer:
The answer is B).
Explanation:
The correct way to write this sentence is: After I woke up this morning, I got me a tall glass of orange juice.
Answer:
The momentum would be doubled
Explanation:
The magnitude of the momentum of the freight train is given by:

where
m is the mass of the train
v is its speed
In this problem, we have that the speed of the train is unchanged, while the mass of the train is doubled:

therefore, the new momentum is

so, the momentum has also doubled.