9kg-ball is moving at 12m/s. What is the kinetic energy from this motion?

Which branches of natural science include the study of an organism that lived 10 million years ago

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.