Calculate the momentum of a 4.0 kg object traveling at a velocity of 12.0 m/s east

Which motion maps show an object in uniform circular motion? check all that apply. v w x y

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.