Which is the magnitude of the vector 13 m/s to the east

The necleus of an atom is made up of what subatomic particles?

Macy always thought there were only a few hair colors blonde brown and black however when she actually began looking around she saw varying shades of these hair color what is a possible reason for so many different hair colors

Abody covers a semicircle of radius 7cm in 5s .find its linear speed