What do these words mean and how are they reflected in the United States government system today?

Explanation:

The phrase "We the People" introduces the United States Constitution. The purpose of these words is to establish that the American government system is led by its citizens.  The concept of popular sovereignty is reflected in the United States today because people have the right to vote.

the correct answer can either be a or b because it could be both but you should probally choose b

the boy's acceleration toward the girl is 2.08 m/s^2.

explanation:

according the newton's third law, the force causing the girl accelerate towards the boy will be me with equal counter-force causing the boy to accelerate towards the girl. these forces will be of equal magnitude and allows us to determine the boy's acceleration:

the boy's acceleration toward the girl is 2.08 m/s^2.