Explanation:
The U.S. launched its first man into space in May 1961.
The Law of Conservation of Energy
The sun, moon, planets and stars rise in the EAST and set in the WEST.
Momentum is mass in motion and only applies to objects in motion. It's a term that describes a relationship between the mass and velocity of an object, and we can see this when it is written in equation form, p = mv, where p is momentum, m is mass in kg and v is velocity in m/s.