1. An airplane flying at 90 m/s increases its speed with a constant acceleration of 5 m/s2. How fast is the plane moving after it travels 5000 m from the point where the acceleration began? With work

Aforce is a vector quantity because it has both?

Identify the arrows that represent the process of cooling..

Which statements identify what astronomers currently know and think will happen with our universe? check all that apply. the big bang produced dark energy, which accounts for some of the energy needed to expand the universe. the vastness of space may contain a type of matter known as "dark matter." the universe is currently shrinking at a rapid rate. the universe is currently expanding at an accelerating rate. the big bang theory explains all the energy and matter discovered by scientists.