The answer is B, because oxygen and sulfur are in the same group (group 6A)
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.
Your answer would be motion because u need force to stop motion or anything at that matter
Mirrors reflect light waves.