A 2.0 kilogram rifle initially at rest fires a 0.002 kilogram bullet. As the bullet leaves the rifle with a velocity of 500 meters per second, what is the momentum of the rifle - bullet system?

Relativistic kinetic energy is conserved in all reference frames. True O False

Which contribution did Kepler make to viewing the solar system? He proposed that gravity kept the planets in their orbits. He proposed the sun-centered model of the solar system. He showed that planets moved in elliptical orbits.

Approximately how many news cases of STIs occur in the United States each year? Sexually transmitted infections are widespread in the United States. Approximately half of new cases occur in which age group?

1. It is dangerous "cutting" in front of trucks when turning left or passi g them and then slowing down because: Brakes on trucks are very poor Trucks take twice as long to stop Trucks have the right of way

Use the HR diagram below to answer the question. Labeled HR diagram. The main sequence slopes from the upper-left of the diagram, which is blue, to the bottom-left of the diagram, which is red-orange.

An object is placed in a fluid and then released. Assume that the object either floats to the surface (settling so that the object is partly above and partly below the fluid surface) or sinks to the bottom.

Explain why it is important to have strong core muscles?

Potential energy is the energy an object has because of its A. density. B. size. C. location. D. speed. E. temperature.

How is this career a good fit for you or an individual who would work in this field

The Architecture and Construction career cluster is a group of careers focused on designing, constructing, and maintaining buildings and other structures. assembly of buildings and structures. designing and planning buildings.